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Finding the Fourth Proportional to 925,525, 1,277,171.22 and 512,036.92

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Solution

The fourth proportional to 925,525, 1,277,171.22 and 512,036.92 is: 706,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,525 : 1,277,171.22 = 512,036.92 : x
  2. Step 2: Convert to fraction form
    925,525/1,277,171.22 = 512,036.92/x
  3. Step 3: Cross multiply
    925,525x = 1,277,171.22 × 512,036.92
  4. Step 4: Simplify right side
    925,525x = 653,958,817,801.44
  5. Step 5: Solve for x
    x = 653,958,817,801.44/925,525
  6. Step 6: Final answer
    x = 706,581.47

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Double scale
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Similar ratio
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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.