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Finding the Fourth Proportional to 376,628.52, 564,943.71 and 92,320.35

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Solution

The fourth proportional to 376,628.52, 564,943.71 and 92,320.35 is: 138,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,628.52 : 564,943.71 = 92,320.35 : x
  2. Step 2: Convert to fraction form
    376,628.52/564,943.71 = 92,320.35/x
  3. Step 3: Cross multiply
    376,628.52x = 564,943.71 × 92,320.35
  4. Step 4: Simplify right side
    376,628.52x = 52,155,801,037.50
  5. Step 5: Solve for x
    x = 52,155,801,037.50/376,628.52
  6. Step 6: Final answer
    x = 138,480.75

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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.