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Finding the Fourth Proportional to 577,043.50, 796,542.26 and 516,507.34

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Solution

The fourth proportional to 577,043.50, 796,542.26 and 516,507.34 is: 712,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,043.50 : 796,542.26 = 516,507.34 : x
  2. Step 2: Convert to fraction form
    577,043.50/796,542.26 = 516,507.34/x
  3. Step 3: Cross multiply
    577,043.50x = 796,542.26 × 516,507.34
  4. Step 4: Simplify right side
    577,043.50x = 411,419,919,927.48
  5. Step 5: Solve for x
    x = 411,419,919,927.48/577,043.50
  6. Step 6: Final answer
    x = 712,979.04

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Double scale
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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.