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Finding the Fourth Proportional to 655,500.71, 983,251.07 and 235,071.83

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Solution

The fourth proportional to 655,500.71, 983,251.07 and 235,071.83 is: 352,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,500.71 : 983,251.07 = 235,071.83 : x
  2. Step 2: Convert to fraction form
    655,500.71/983,251.07 = 235,071.83/x
  3. Step 3: Cross multiply
    655,500.71x = 983,251.07 × 235,071.83
  4. Step 4: Simplify right side
    655,500.71x = 231,134,628,374.36
  5. Step 5: Solve for x
    x = 231,134,628,374.36/655,500.71
  6. Step 6: Final answer
    x = 352,607.75

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.