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Finding the Fourth Proportional to 522,616.20, 716,515.02 and 513,168.36

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Solution

The fourth proportional to 522,616.20, 716,515.02 and 513,168.36 is: 703,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,616.20 : 716,515.02 = 513,168.36 : x
  2. Step 2: Convert to fraction form
    522,616.20/716,515.02 = 513,168.36/x
  3. Step 3: Cross multiply
    522,616.20x = 716,515.02 × 513,168.36
  4. Step 4: Simplify right side
    522,616.20x = 367,692,837,728.77
  5. Step 5: Solve for x
    x = 367,692,837,728.77/522,616.20
  6. Step 6: Final answer
    x = 703,561.88

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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.