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Finding the Fourth Proportional to 348,602.70, 522,904.05 and 324,983.10

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Solution

The fourth proportional to 348,602.70, 522,904.05 and 324,983.10 is: 487,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,602.70 : 522,904.05 = 324,983.10 : x
  2. Step 2: Convert to fraction form
    348,602.70/522,904.05 = 324,983.10/x
  3. Step 3: Cross multiply
    348,602.70x = 522,904.05 × 324,983.10
  4. Step 4: Simplify right side
    348,602.70x = 169,934,979,171.56
  5. Step 5: Solve for x
    x = 169,934,979,171.56/348,602.70
  6. Step 6: Final answer
    x = 487,474.65

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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.