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Finding the Fourth Proportional to 602,642.60, 903,935.10 and 203,244.20

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Solution

The fourth proportional to 602,642.60, 903,935.10 and 203,244.20 is: 304,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,642.60 : 903,935.10 = 203,244.20 : x
  2. Step 2: Convert to fraction form
    602,642.60/903,935.10 = 203,244.20/x
  3. Step 3: Cross multiply
    602,642.60x = 903,935.10 × 203,244.20
  4. Step 4: Simplify right side
    602,642.60x = 183,719,566,251.42
  5. Step 5: Solve for x
    x = 183,719,566,251.42/602,642.60
  6. Step 6: Final answer
    x = 304,856.59

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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.