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Finding the Fourth Proportional to 652,651.92, 900,645.48 and 377,010

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Solution

The fourth proportional to 652,651.92, 900,645.48 and 377,010 is: 520,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,651.92 : 900,645.48 = 377,010 : x
  2. Step 2: Convert to fraction form
    652,651.92/900,645.48 = 377,010/x
  3. Step 3: Cross multiply
    652,651.92x = 900,645.48 × 377,010
  4. Step 4: Simplify right side
    652,651.92x = 339,552,352,414.80
  5. Step 5: Solve for x
    x = 339,552,352,414.80/652,651.92
  6. Step 6: Final answer
    x = 520,265.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.