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Finding the Fourth Proportional to 494,312.68, 741,507.90 and 194,772.52

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Solution

The fourth proportional to 494,312.68, 741,507.90 and 194,772.52 is: 292,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,312.68 : 741,507.90 = 194,772.52 : x
  2. Step 2: Convert to fraction form
    494,312.68/741,507.90 = 194,772.52/x
  3. Step 3: Cross multiply
    494,312.68x = 741,507.90 × 194,772.52
  4. Step 4: Simplify right side
    494,312.68x = 144,425,362,282.91
  5. Step 5: Solve for x
    x = 144,425,362,282.91/494,312.68
  6. Step 6: Final answer
    x = 292,174.10

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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.