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Finding the Fourth Proportional to 382,427.40, 573,446.70 and 224,704.20

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Solution

The fourth proportional to 382,427.40, 573,446.70 and 224,704.20 is: 336,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,427.40 : 573,446.70 = 224,704.20 : x
  2. Step 2: Convert to fraction form
    382,427.40/573,446.70 = 224,704.20/x
  3. Step 3: Cross multiply
    382,427.40x = 573,446.70 × 224,704.20
  4. Step 4: Simplify right side
    382,427.40x = 128,855,881,966.14
  5. Step 5: Solve for x
    x = 128,855,881,966.14/382,427.40
  6. Step 6: Final answer
    x = 336,942.08

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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.