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Finding the Fourth Proportional to 584,414.60, 876,650.70 and 304,478.60

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Solution

The fourth proportional to 584,414.60, 876,650.70 and 304,478.60 is: 456,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,414.60 : 876,650.70 = 304,478.60 : x
  2. Step 2: Convert to fraction form
    584,414.60/876,650.70 = 304,478.60/x
  3. Step 3: Cross multiply
    584,414.60x = 876,650.70 × 304,478.60
  4. Step 4: Simplify right side
    584,414.60x = 266,921,377,825.02
  5. Step 5: Solve for x
    x = 266,921,377,825.02/584,414.60
  6. Step 6: Final answer
    x = 456,732.90

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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.