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Finding the Fourth Proportional to 539,674,613.06, 744,751,215.20 and 292,155,967.31

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Solution

The fourth proportional to 539,674,613.06, 744,751,215.20 and 292,155,967.31 is: 403,175,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,674,613.06 : 744,751,215.20 = 292,155,967.31 : x
  2. Step 2: Convert to fraction form
    539,674,613.06/744,751,215.20 = 292,155,967.31/x
  3. Step 3: Cross multiply
    539,674,613.06x = 744,751,215.20 × 292,155,967.31
  4. Step 4: Simplify right side
    539,674,613.06x = 217,583,511,680,593,216
  5. Step 5: Solve for x
    x = 217,583,511,680,593,216/539,674,613.06
  6. Step 6: Final answer
    x = 403,175,369.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.