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Finding the Fourth Proportional to 369,591.48, 554,422.23 and 103,351.95

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Solution

The fourth proportional to 369,591.48, 554,422.23 and 103,351.95 is: 155,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,591.48 : 554,422.23 = 103,351.95 : x
  2. Step 2: Convert to fraction form
    369,591.48/554,422.23 = 103,351.95/x
  3. Step 3: Cross multiply
    369,591.48x = 554,422.23 × 103,351.95
  4. Step 4: Simplify right side
    369,591.48x = 57,300,618,593.85
  5. Step 5: Solve for x
    x = 57,300,618,593.85/369,591.48
  6. Step 6: Final answer
    x = 155,037.72

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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.