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Finding the Fourth Proportional to 369,265.28, 553,897.92 and 88,782.54

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Solution

The fourth proportional to 369,265.28, 553,897.92 and 88,782.54 is: 133,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,265.28 : 553,897.92 = 88,782.54 : x
  2. Step 2: Convert to fraction form
    369,265.28/553,897.92 = 88,782.54/x
  3. Step 3: Cross multiply
    369,265.28x = 553,897.92 × 88,782.54
  4. Step 4: Simplify right side
    369,265.28x = 49,176,464,238.32
  5. Step 5: Solve for x
    x = 49,176,464,238.32/369,265.28
  6. Step 6: Final answer
    x = 133,173.81

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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.