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Finding the Fourth Proportional to 539,472,700.26, 744,472,317.42 and 291,954,054.42

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Solution

The fourth proportional to 539,472,700.26, 744,472,317.42 and 291,954,054.42 is: 402,896,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,472,700.26 : 744,472,317.42 = 291,954,054.42 : x
  2. Step 2: Convert to fraction form
    539,472,700.26/744,472,317.42 = 291,954,054.42/x
  3. Step 3: Cross multiply
    539,472,700.26x = 744,472,317.42 × 291,954,054.42
  4. Step 4: Simplify right side
    539,472,700.26x = 217,351,711,474,222,208
  5. Step 5: Solve for x
    x = 217,351,711,474,222,208/539,472,700.26
  6. Step 6: Final answer
    x = 402,896,590.26

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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.