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Finding the Fourth Proportional to 588,924.90, 883,387.35 and 402,300.90

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Solution

The fourth proportional to 588,924.90, 883,387.35 and 402,300.90 is: 603,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,924.90 : 883,387.35 = 402,300.90 : x
  2. Step 2: Convert to fraction form
    588,924.90/883,387.35 = 402,300.90/x
  3. Step 3: Cross multiply
    588,924.90x = 883,387.35 × 402,300.90
  4. Step 4: Simplify right side
    588,924.90x = 355,387,525,953.62
  5. Step 5: Solve for x
    x = 355,387,525,953.62/588,924.90
  6. Step 6: Final answer
    x = 603,451.35

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Double scale
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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.