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Finding the Fourth Proportional to 516,854.80, 775,512.60 and 236,227.60

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Solution

The fourth proportional to 516,854.80, 775,512.60 and 236,227.60 is: 354,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,854.80 : 775,512.60 = 236,227.60 : x
  2. Step 2: Convert to fraction form
    516,854.80/775,512.60 = 236,227.60/x
  3. Step 3: Cross multiply
    516,854.80x = 775,512.60 × 236,227.60
  4. Step 4: Simplify right side
    516,854.80x = 183,197,480,267.76
  5. Step 5: Solve for x
    x = 183,197,480,267.76/516,854.80
  6. Step 6: Final answer
    x = 354,446.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.