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Finding the Fourth Proportional to 575,650.73, 794,540.39 and 392,192.88

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Solution

The fourth proportional to 575,650.73, 794,540.39 and 392,192.88 is: 541,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,650.73 : 794,540.39 = 392,192.88 : x
  2. Step 2: Convert to fraction form
    575,650.73/794,540.39 = 392,192.88/x
  3. Step 3: Cross multiply
    575,650.73x = 794,540.39 × 392,192.88
  4. Step 4: Simplify right side
    575,650.73x = 311,613,081,869.46
  5. Step 5: Solve for x
    x = 311,613,081,869.46/575,650.73
  6. Step 6: Final answer
    x = 541,323.18

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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.