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Finding the Fourth Proportional to 382,456.40, 573,490.20 and 224,733.20

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Solution

The fourth proportional to 382,456.40, 573,490.20 and 224,733.20 is: 336,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,456.40 : 573,490.20 = 224,733.20 : x
  2. Step 2: Convert to fraction form
    382,456.40/573,490.20 = 224,733.20/x
  3. Step 3: Cross multiply
    382,456.40x = 573,490.20 × 224,733.20
  4. Step 4: Simplify right side
    382,456.40x = 128,882,287,814.64
  5. Step 5: Solve for x
    x = 128,882,287,814.64/382,456.40
  6. Step 6: Final answer
    x = 336,985.57

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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.