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Finding the Fourth Proportional to 582,857.38, 798,517.55 and 561,015.10

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Solution

The fourth proportional to 582,857.38, 798,517.55 and 561,015.10 is: 768,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,857.38 : 798,517.55 = 561,015.10 : x
  2. Step 2: Convert to fraction form
    582,857.38/798,517.55 = 561,015.10/x
  3. Step 3: Cross multiply
    582,857.38x = 798,517.55 × 561,015.10
  4. Step 4: Simplify right side
    582,857.38x = 447,980,403,165.01
  5. Step 5: Solve for x
    x = 447,980,403,165.01/582,857.38
  6. Step 6: Final answer
    x = 768,593.52

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Double scale
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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.