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Finding the Fourth Proportional to 539,472,506.59, 744,472,050.06 and 291,953,860.84

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Solution

The fourth proportional to 539,472,506.59, 744,472,050.06 and 291,953,860.84 is: 402,896,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,472,506.59 : 744,472,050.06 = 291,953,860.84 : x
  2. Step 2: Convert to fraction form
    539,472,506.59/744,472,050.06 = 291,953,860.84/x
  3. Step 3: Cross multiply
    539,472,506.59x = 744,472,050.06 × 291,953,860.84
  4. Step 4: Simplify right side
    539,472,506.59x = 217,351,489,298,764,352
  5. Step 5: Solve for x
    x = 217,351,489,298,764,352/539,472,506.59
  6. Step 6: Final answer
    x = 402,896,323.07

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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.