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Finding the Fourth Proportional to 415,807.94, 573,814.58 and 224,820.88

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Solution

The fourth proportional to 415,807.94, 573,814.58 and 224,820.88 is: 310,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,807.94 : 573,814.58 = 224,820.88 : x
  2. Step 2: Convert to fraction form
    415,807.94/573,814.58 = 224,820.88/x
  3. Step 3: Cross multiply
    415,807.94x = 573,814.58 × 224,820.88
  4. Step 4: Simplify right side
    415,807.94x = 129,005,498,832.43
  5. Step 5: Solve for x
    x = 129,005,498,832.43/415,807.94
  6. Step 6: Final answer
    x = 310,252.61

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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.