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Finding the Fourth Proportional to 591,064.10, 886,596.15 and 410,660.90

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Solution

The fourth proportional to 591,064.10, 886,596.15 and 410,660.90 is: 615,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,064.10 : 886,596.15 = 410,660.90 : x
  2. Step 2: Convert to fraction form
    591,064.10/886,596.15 = 410,660.90/x
  3. Step 3: Cross multiply
    591,064.10x = 886,596.15 × 410,660.90
  4. Step 4: Simplify right side
    591,064.10x = 364,090,372,895.54
  5. Step 5: Solve for x
    x = 364,090,372,895.54/591,064.10
  6. Step 6: Final answer
    x = 615,991.35

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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.