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Finding the Fourth Proportional to 435,998.76, 601,685.40 and 239,773.56

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Solution

The fourth proportional to 435,998.76, 601,685.40 and 239,773.56 is: 330,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,998.76 : 601,685.40 = 239,773.56 : x
  2. Step 2: Convert to fraction form
    435,998.76/601,685.40 = 239,773.56/x
  3. Step 3: Cross multiply
    435,998.76x = 601,685.40 × 239,773.56
  4. Step 4: Simplify right side
    435,998.76x = 144,268,250,358.02
  5. Step 5: Solve for x
    x = 144,268,250,358.02/435,998.76
  6. Step 6: Final answer
    x = 330,891.42

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Half scale
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Double scale
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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.