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Finding the Fourth Proportional to 588,986.90, 883,480.35 and 402,362.90

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Solution

The fourth proportional to 588,986.90, 883,480.35 and 402,362.90 is: 603,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,986.90 : 883,480.35 = 402,362.90 : x
  2. Step 2: Convert to fraction form
    588,986.90/883,480.35 = 402,362.90/x
  3. Step 3: Cross multiply
    588,986.90x = 883,480.35 × 402,362.90
  4. Step 4: Simplify right side
    588,986.90x = 355,479,715,719.02
  5. Step 5: Solve for x
    x = 355,479,715,719.02/588,986.90
  6. Step 6: Final answer
    x = 603,544.35

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Half scale
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Double scale
Find fourth proportional to 588,987.90, 883,481.85 and 402,363.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.