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Finding the Fourth Proportional to 652,906.73, 979,026.71 and 383,560.94

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Solution

The fourth proportional to 652,906.73, 979,026.71 and 383,560.94 is: 575,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,906.73 : 979,026.71 = 383,560.94 : x
  2. Step 2: Convert to fraction form
    652,906.73/979,026.71 = 383,560.94/x
  3. Step 3: Cross multiply
    652,906.73x = 979,026.71 × 383,560.94
  4. Step 4: Simplify right side
    652,906.73x = 375,516,398,359.77
  5. Step 5: Solve for x
    x = 375,516,398,359.77/652,906.73
  6. Step 6: Final answer
    x = 575,145.55

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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.