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Finding the Fourth Proportional to 432,353.71, 596,658.18 and 271,215.55

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Solution

The fourth proportional to 432,353.71, 596,658.18 and 271,215.55 is: 374,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,353.71 : 596,658.18 = 271,215.55 : x
  2. Step 2: Convert to fraction form
    432,353.71/596,658.18 = 271,215.55/x
  3. Step 3: Cross multiply
    432,353.71x = 596,658.18 × 271,215.55
  4. Step 4: Simplify right side
    432,353.71x = 161,822,976,450.70
  5. Step 5: Solve for x
    x = 161,822,976,450.70/432,353.71
  6. Step 6: Final answer
    x = 374,283.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.