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Finding the Fourth Proportional to 369,263.28, 553,894.92 and 88,780.54

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Solution

The fourth proportional to 369,263.28, 553,894.92 and 88,780.54 is: 133,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,263.28 : 553,894.92 = 88,780.54 : x
  2. Step 2: Convert to fraction form
    369,263.28/553,894.92 = 88,780.54/x
  3. Step 3: Cross multiply
    369,263.28x = 553,894.92 × 88,780.54
  4. Step 4: Simplify right side
    369,263.28x = 49,175,090,100.86
  5. Step 5: Solve for x
    x = 49,175,090,100.86/369,263.28
  6. Step 6: Final answer
    x = 133,170.81

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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.