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Finding the Fourth Proportional to 415,339.90, 573,168.72 and 224,353.24

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Solution

The fourth proportional to 415,339.90, 573,168.72 and 224,353.24 is: 309,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,339.90 : 573,168.72 = 224,353.24 : x
  2. Step 2: Convert to fraction form
    415,339.90/573,168.72 = 224,353.24/x
  3. Step 3: Cross multiply
    415,339.90x = 573,168.72 × 224,353.24
  4. Step 4: Simplify right side
    415,339.90x = 128,592,259,398.65
  5. Step 5: Solve for x
    x = 128,592,259,398.65/415,339.90
  6. Step 6: Final answer
    x = 309,607.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.