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Finding the Fourth Proportional to 434,872.60, 652,373.70 and 154,366.36

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Solution

The fourth proportional to 434,872.60, 652,373.70 and 154,366.36 is: 231,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,872.60 : 652,373.70 = 154,366.36 : x
  2. Step 2: Convert to fraction form
    434,872.60/652,373.70 = 154,366.36/x
  3. Step 3: Cross multiply
    434,872.60x = 652,373.70 × 154,366.36
  4. Step 4: Simplify right side
    434,872.60x = 100,704,553,428.73
  5. Step 5: Solve for x
    x = 100,704,553,428.73/434,872.60
  6. Step 6: Final answer
    x = 231,572.54

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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.