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Finding the Fourth Proportional to 602,489.48, 903,046.86 and 282,306.44

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Solution

The fourth proportional to 602,489.48, 903,046.86 and 282,306.44 is: 423,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,489.48 : 903,046.86 = 282,306.44 : x
  2. Step 2: Convert to fraction form
    602,489.48/903,046.86 = 282,306.44/x
  3. Step 3: Cross multiply
    602,489.48x = 903,046.86 × 282,306.44
  4. Step 4: Simplify right side
    602,489.48x = 254,935,944,199.78
  5. Step 5: Solve for x
    x = 254,935,944,199.78/602,489.48
  6. Step 6: Final answer
    x = 423,137.59

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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.