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Finding the Fourth Proportional to 361,114.70, 498,332.13 and 199,966.28

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Solution

The fourth proportional to 361,114.70, 498,332.13 and 199,966.28 is: 275,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,114.70 : 498,332.13 = 199,966.28 : x
  2. Step 2: Convert to fraction form
    361,114.70/498,332.13 = 199,966.28/x
  3. Step 3: Cross multiply
    361,114.70x = 498,332.13 × 199,966.28
  4. Step 4: Simplify right side
    361,114.70x = 99,649,619,748.92
  5. Step 5: Solve for x
    x = 99,649,619,748.92/361,114.70
  6. Step 6: Final answer
    x = 275,950.05

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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.