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Finding the Fourth Proportional to 484,324.77, 726,597.72 and 147,413.17

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Solution

The fourth proportional to 484,324.77, 726,597.72 and 147,413.17 is: 221,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,324.77 : 726,597.72 = 147,413.17 : x
  2. Step 2: Convert to fraction form
    484,324.77/726,597.72 = 147,413.17/x
  3. Step 3: Cross multiply
    484,324.77x = 726,597.72 × 147,413.17
  4. Step 4: Simplify right side
    484,324.77x = 107,110,071,403.48
  5. Step 5: Solve for x
    x = 107,110,071,403.48/484,324.77
  6. Step 6: Final answer
    x = 221,153.40

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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.