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Finding the Fourth Proportional to 348,521.70, 523,171.35 and 325,679.70

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Solution

The fourth proportional to 348,521.70, 523,171.35 and 325,679.70 is: 488,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,521.70 : 523,171.35 = 325,679.70 : x
  2. Step 2: Convert to fraction form
    348,521.70/523,171.35 = 325,679.70/x
  3. Step 3: Cross multiply
    348,521.70x = 523,171.35 × 325,679.70
  4. Step 4: Simplify right side
    348,521.70x = 170,386,288,316.60
  5. Step 5: Solve for x
    x = 170,386,288,316.60/348,521.70
  6. Step 6: Final answer
    x = 488,882.87

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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.