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Finding the Fourth Proportional to 382,221.61, 573,489.57 and 168,876.92

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Solution

The fourth proportional to 382,221.61, 573,489.57 and 168,876.92 is: 253,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,221.61 : 573,489.57 = 168,876.92 : x
  2. Step 2: Convert to fraction form
    382,221.61/573,489.57 = 168,876.92/x
  3. Step 3: Cross multiply
    382,221.61x = 573,489.57 × 168,876.92
  4. Step 4: Simplify right side
    382,221.61x = 96,849,152,233.72
  5. Step 5: Solve for x
    x = 96,849,152,233.72/382,221.61
  6. Step 6: Final answer
    x = 253,384.82

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1.5x scale

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.