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Finding the Fourth Proportional to 357,337.71, 493,127.00 and 196,203.20

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Solution

The fourth proportional to 357,337.71, 493,127.00 and 196,203.20 is: 270,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,337.71 : 493,127.00 = 196,203.20 : x
  2. Step 2: Convert to fraction form
    357,337.71/493,127.00 = 196,203.20/x
  3. Step 3: Cross multiply
    357,337.71x = 493,127.00 × 196,203.20
  4. Step 4: Simplify right side
    357,337.71x = 96,753,091,959.75
  5. Step 5: Solve for x
    x = 96,753,091,959.75/357,337.71
  6. Step 6: Final answer
    x = 270,760.93

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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.