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Finding the Fourth Proportional to 582,976.28, 804,878.72 and 475,801.96

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Solution

The fourth proportional to 582,976.28, 804,878.72 and 475,801.96 is: 656,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,976.28 : 804,878.72 = 475,801.96 : x
  2. Step 2: Convert to fraction form
    582,976.28/804,878.72 = 475,801.96/x
  3. Step 3: Cross multiply
    582,976.28x = 804,878.72 × 475,801.96
  4. Step 4: Simplify right side
    582,976.28x = 382,962,872,538.29
  5. Step 5: Solve for x
    x = 382,962,872,538.29/582,976.28
  6. Step 6: Final answer
    x = 656,909.87

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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.