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Finding the Fourth Proportional to 392,019.98, 541,177.63 and 262,911.22

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Solution

The fourth proportional to 392,019.98, 541,177.63 and 262,911.22 is: 362,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,019.98 : 541,177.63 = 262,911.22 : x
  2. Step 2: Convert to fraction form
    392,019.98/541,177.63 = 262,911.22/x
  3. Step 3: Cross multiply
    392,019.98x = 541,177.63 × 262,911.22
  4. Step 4: Simplify right side
    392,019.98x = 142,281,668,929.79
  5. Step 5: Solve for x
    x = 142,281,668,929.79/392,019.98
  6. Step 6: Final answer
    x = 362,944.95

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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.