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Finding the Fourth Proportional to 922,754.84, 1,384,123.95 and 291,668.85

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Solution

The fourth proportional to 922,754.84, 1,384,123.95 and 291,668.85 is: 437,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,754.84 : 1,384,123.95 = 291,668.85 : x
  2. Step 2: Convert to fraction form
    922,754.84/1,384,123.95 = 291,668.85/x
  3. Step 3: Cross multiply
    922,754.84x = 1,384,123.95 × 291,668.85
  4. Step 4: Simplify right side
    922,754.84x = 403,705,840,753.96
  5. Step 5: Solve for x
    x = 403,705,840,753.96/922,754.84
  6. Step 6: Final answer
    x = 437,500.65

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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.