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Finding the Fourth Proportional to 605,059.10, 907,588.65 and 577,502.90

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Solution

The fourth proportional to 605,059.10, 907,588.65 and 577,502.90 is: 866,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,059.10 : 907,588.65 = 577,502.90 : x
  2. Step 2: Convert to fraction form
    605,059.10/907,588.65 = 577,502.90/x
  3. Step 3: Cross multiply
    605,059.10x = 907,588.65 × 577,502.90
  4. Step 4: Simplify right side
    605,059.10x = 524,135,077,382.09
  5. Step 5: Solve for x
    x = 524,135,077,382.09/605,059.10
  6. Step 6: Final answer
    x = 866,254.35

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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.