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Finding the Fourth Proportional to 602,159.20, 903,238.80 and 247,427.80

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Solution

The fourth proportional to 602,159.20, 903,238.80 and 247,427.80 is: 371,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,159.20 : 903,238.80 = 247,427.80 : x
  2. Step 2: Convert to fraction form
    602,159.20/903,238.80 = 247,427.80/x
  3. Step 3: Cross multiply
    602,159.20x = 903,238.80 × 247,427.80
  4. Step 4: Simplify right side
    602,159.20x = 223,486,389,158.64
  5. Step 5: Solve for x
    x = 223,486,389,158.64/602,159.20
  6. Step 6: Final answer
    x = 371,141.70

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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.