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Finding the Fourth Proportional to 602,555.73, 903,829.68 and 153,272.76

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Solution

The fourth proportional to 602,555.73, 903,829.68 and 153,272.76 is: 229,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,555.73 : 903,829.68 = 153,272.76 : x
  2. Step 2: Convert to fraction form
    602,555.73/903,829.68 = 153,272.76/x
  3. Step 3: Cross multiply
    602,555.73x = 903,829.68 × 153,272.76
  4. Step 4: Simplify right side
    602,555.73x = 138,532,469,623.52
  5. Step 5: Solve for x
    x = 138,532,469,623.52/602,555.73
  6. Step 6: Final answer
    x = 229,908.14

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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.