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Finding the Fourth Proportional to 382,425.40, 573,443.70 and 224,702.20

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Solution

The fourth proportional to 382,425.40, 573,443.70 and 224,702.20 is: 336,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,425.40 : 573,443.70 = 224,702.20 : x
  2. Step 2: Convert to fraction form
    382,425.40/573,443.70 = 224,702.20/x
  3. Step 3: Cross multiply
    382,425.40x = 573,443.70 × 224,702.20
  4. Step 4: Simplify right side
    382,425.40x = 128,854,060,966.14
  5. Step 5: Solve for x
    x = 128,854,060,966.14/382,425.40
  6. Step 6: Final answer
    x = 336,939.08

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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.