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Finding the Fourth Proportional to 573,207.64, 790,192.92 and 400,589.80

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Solution

The fourth proportional to 573,207.64, 790,192.92 and 400,589.80 is: 552,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,207.64 : 790,192.92 = 400,589.80 : x
  2. Step 2: Convert to fraction form
    573,207.64/790,192.92 = 400,589.80/x
  3. Step 3: Cross multiply
    573,207.64x = 790,192.92 × 400,589.80
  4. Step 4: Simplify right side
    573,207.64x = 316,543,223,784.22
  5. Step 5: Solve for x
    x = 316,543,223,784.22/573,207.64
  6. Step 6: Final answer
    x = 552,231.34

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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.