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Finding the Fourth Proportional to 602,540.64, 903,579.76 and 203,073.76

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Solution

The fourth proportional to 602,540.64, 903,579.76 and 203,073.76 is: 304,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,540.64 : 903,579.76 = 203,073.76 : x
  2. Step 2: Convert to fraction form
    602,540.64/903,579.76 = 203,073.76/x
  3. Step 3: Cross multiply
    602,540.64x = 903,579.76 × 203,073.76
  4. Step 4: Simplify right side
    602,540.64x = 183,493,339,323.10
  5. Step 5: Solve for x
    x = 183,493,339,323.10/602,540.64
  6. Step 6: Final answer
    x = 304,532.72

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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.