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Finding the Fourth Proportional to 739,231.20, 1,037,023.20 and 739,231.20

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Solution

The fourth proportional to 739,231.20, 1,037,023.20 and 739,231.20 is: 1,037,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,231.20 : 1,037,023.20 = 739,231.20 : x
  2. Step 2: Convert to fraction form
    739,231.20/1,037,023.20 = 739,231.20/x
  3. Step 3: Cross multiply
    739,231.20x = 1,037,023.20 × 739,231.20
  4. Step 4: Simplify right side
    739,231.20x = 766,599,904,563.84
  5. Step 5: Solve for x
    x = 766,599,904,563.84/739,231.20
  6. Step 6: Final answer
    x = 1,037,023.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.