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Finding the Fourth Proportional to 922,666.70, 1,384,000.05 and 291,773.90

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Solution

The fourth proportional to 922,666.70, 1,384,000.05 and 291,773.90 is: 437,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,666.70 : 1,384,000.05 = 291,773.90 : x
  2. Step 2: Convert to fraction form
    922,666.70/1,384,000.05 = 291,773.90/x
  3. Step 3: Cross multiply
    922,666.70x = 1,384,000.05 × 291,773.90
  4. Step 4: Simplify right side
    922,666.70x = 403,815,092,188.70
  5. Step 5: Solve for x
    x = 403,815,092,188.70/922,666.70
  6. Step 6: Final answer
    x = 437,660.85

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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.