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Finding the Fourth Proportional to 522,618.20, 716,517.76 and 513,170.36

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Solution

The fourth proportional to 522,618.20, 716,517.76 and 513,170.36 is: 703,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,618.20 : 716,517.76 = 513,170.36 : x
  2. Step 2: Convert to fraction form
    522,618.20/716,517.76 = 513,170.36/x
  3. Step 3: Cross multiply
    522,618.20x = 716,517.76 × 513,170.36
  4. Step 4: Simplify right side
    522,618.20x = 367,695,676,845.59
  5. Step 5: Solve for x
    x = 367,695,676,845.59/522,618.20
  6. Step 6: Final answer
    x = 703,564.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.