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Finding the Fourth Proportional to 546,073.02, 753,413.78 and 316,584.52

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Solution

The fourth proportional to 546,073.02, 753,413.78 and 316,584.52 is: 436,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,073.02 : 753,413.78 = 316,584.52 : x
  2. Step 2: Convert to fraction form
    546,073.02/753,413.78 = 316,584.52/x
  3. Step 3: Cross multiply
    546,073.02x = 753,413.78 × 316,584.52
  4. Step 4: Simplify right side
    546,073.02x = 238,519,141,904.53
  5. Step 5: Solve for x
    x = 238,519,141,904.53/546,073.02
  6. Step 6: Final answer
    x = 436,789.83

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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.