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Finding the Fourth Proportional to 594,522.61, 891,780.78 and 145,246

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Solution

The fourth proportional to 594,522.61, 891,780.78 and 145,246 is: 217,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,522.61 : 891,780.78 = 145,246 : x
  2. Step 2: Convert to fraction form
    594,522.61/891,780.78 = 145,246/x
  3. Step 3: Cross multiply
    594,522.61x = 891,780.78 × 145,246
  4. Step 4: Simplify right side
    594,522.61x = 129,527,591,171.88
  5. Step 5: Solve for x
    x = 129,527,591,171.88/594,522.61
  6. Step 6: Final answer
    x = 217,868.23

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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.