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Finding the Fourth Proportional to 653,472,858.60, 901,792,732.50 and 356,115,182.52

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Solution

The fourth proportional to 653,472,858.60, 901,792,732.50 and 356,115,182.52 is: 491,439,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,472,858.60 : 901,792,732.50 = 356,115,182.52 : x
  2. Step 2: Convert to fraction form
    653,472,858.60/901,792,732.50 = 356,115,182.52/x
  3. Step 3: Cross multiply
    653,472,858.60x = 901,792,732.50 × 356,115,182.52
  4. Step 4: Simplify right side
    653,472,858.60x = 321,142,083,529,447,040
  5. Step 5: Solve for x
    x = 321,142,083,529,447,040/653,472,858.60
  6. Step 6: Final answer
    x = 491,439,054.13

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