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Finding the Fourth Proportional to 474,404.52, 711,588.78 and 119,413.92

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Solution

The fourth proportional to 474,404.52, 711,588.78 and 119,413.92 is: 179,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,404.52 : 711,588.78 = 119,413.92 : x
  2. Step 2: Convert to fraction form
    474,404.52/711,588.78 = 119,413.92/x
  3. Step 3: Cross multiply
    474,404.52x = 711,588.78 × 119,413.92
  4. Step 4: Simplify right side
    474,404.52x = 84,973,605,647.82
  5. Step 5: Solve for x
    x = 84,973,605,647.82/474,404.52
  6. Step 6: Final answer
    x = 179,116.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.