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Finding the Fourth Proportional to 610,703.96, 915,613.14 and 410,527.88

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Solution

The fourth proportional to 610,703.96, 915,613.14 and 410,527.88 is: 615,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,703.96 : 915,613.14 = 410,527.88 : x
  2. Step 2: Convert to fraction form
    610,703.96/915,613.14 = 410,527.88/x
  3. Step 3: Cross multiply
    610,703.96x = 915,613.14 × 410,527.88
  4. Step 4: Simplify right side
    610,703.96x = 375,884,721,264.34
  5. Step 5: Solve for x
    x = 375,884,721,264.34/610,703.96
  6. Step 6: Final answer
    x = 615,494.16

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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.