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Finding the Fourth Proportional to 382,322.80, 573,921.60 and 224,640.10

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Solution

The fourth proportional to 382,322.80, 573,921.60 and 224,640.10 is: 337,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,322.80 : 573,921.60 = 224,640.10 : x
  2. Step 2: Convert to fraction form
    382,322.80/573,921.60 = 224,640.10/x
  3. Step 3: Cross multiply
    382,322.80x = 573,921.60 × 224,640.10
  4. Step 4: Simplify right side
    382,322.80x = 128,925,805,616.16
  5. Step 5: Solve for x
    x = 128,925,805,616.16/382,322.80
  6. Step 6: Final answer
    x = 337,217.15

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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.