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Finding the Fourth Proportional to 539,674,612.56, 744,751,214.51 and 292,155,966.81

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Solution

The fourth proportional to 539,674,612.56, 744,751,214.51 and 292,155,966.81 is: 403,175,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,674,612.56 : 744,751,214.51 = 292,155,966.81 : x
  2. Step 2: Convert to fraction form
    539,674,612.56/744,751,214.51 = 292,155,966.81/x
  3. Step 3: Cross multiply
    539,674,612.56x = 744,751,214.51 × 292,155,966.81
  4. Step 4: Simplify right side
    539,674,612.56x = 217,583,511,106,629,984
  5. Step 5: Solve for x
    x = 217,583,511,106,629,984/539,674,612.56
  6. Step 6: Final answer
    x = 403,175,369.09

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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.