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Finding the Fourth Proportional to 577,728.72, 797,484.24 and 517,190.58

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Solution

The fourth proportional to 577,728.72, 797,484.24 and 517,190.58 is: 713,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,728.72 : 797,484.24 = 517,190.58 : x
  2. Step 2: Convert to fraction form
    577,728.72/797,484.24 = 517,190.58/x
  3. Step 3: Cross multiply
    577,728.72x = 797,484.24 × 517,190.58
  4. Step 4: Simplify right side
    577,728.72x = 412,451,336,626.46
  5. Step 5: Solve for x
    x = 412,451,336,626.46/577,728.72
  6. Step 6: Final answer
    x = 713,918.70

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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.