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Finding the Fourth Proportional to 522,851.88, 721,549.92 and 293,423.22

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Solution

The fourth proportional to 522,851.88, 721,549.92 and 293,423.22 is: 404,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,851.88 : 721,549.92 = 293,423.22 : x
  2. Step 2: Convert to fraction form
    522,851.88/721,549.92 = 293,423.22/x
  3. Step 3: Cross multiply
    522,851.88x = 721,549.92 × 293,423.22
  4. Step 4: Simplify right side
    522,851.88x = 211,719,500,917.14
  5. Step 5: Solve for x
    x = 211,719,500,917.14/522,851.88
  6. Step 6: Final answer
    x = 404,932.08

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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.