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Finding the Fourth Proportional to 602,821.76, 904,438.56 and 377,910.68

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Solution

The fourth proportional to 602,821.76, 904,438.56 and 377,910.68 is: 566,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,821.76 : 904,438.56 = 377,910.68 : x
  2. Step 2: Convert to fraction form
    602,821.76/904,438.56 = 377,910.68/x
  3. Step 3: Cross multiply
    602,821.76x = 904,438.56 × 377,910.68
  4. Step 4: Simplify right side
    602,821.76x = 341,796,991,227.82
  5. Step 5: Solve for x
    x = 341,796,991,227.82/602,821.76
  6. Step 6: Final answer
    x = 566,995.11

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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.