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Finding the Fourth Proportional to 610,761.32, 915,699.12 and 410,585.22

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Solution

The fourth proportional to 610,761.32, 915,699.12 and 410,585.22 is: 615,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,761.32 : 915,699.12 = 410,585.22 : x
  2. Step 2: Convert to fraction form
    610,761.32/915,699.12 = 410,585.22/x
  3. Step 3: Cross multiply
    610,761.32x = 915,699.12 × 410,585.22
  4. Step 4: Simplify right side
    610,761.32x = 375,972,524,639.01
  5. Step 5: Solve for x
    x = 375,972,524,639.01/610,761.32
  6. Step 6: Final answer
    x = 615,580.12

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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.