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Finding the Fourth Proportional to 602,484.97, 903,730.56 and 203,129.20

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Solution

The fourth proportional to 602,484.97, 903,730.56 and 203,129.20 is: 304,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,484.97 : 903,730.56 = 203,129.20 : x
  2. Step 2: Convert to fraction form
    602,484.97/903,730.56 = 203,129.20/x
  3. Step 3: Cross multiply
    602,484.97x = 903,730.56 × 203,129.20
  4. Step 4: Simplify right side
    602,484.97x = 183,574,065,668.35
  5. Step 5: Solve for x
    x = 183,574,065,668.35/602,484.97
  6. Step 6: Final answer
    x = 304,694.85

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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.