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Finding the Fourth Proportional to 467,897.70, 701,846.55 and 231,191.40

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Solution

The fourth proportional to 467,897.70, 701,846.55 and 231,191.40 is: 346,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,897.70 : 701,846.55 = 231,191.40 : x
  2. Step 2: Convert to fraction form
    467,897.70/701,846.55 = 231,191.40/x
  3. Step 3: Cross multiply
    467,897.70x = 701,846.55 × 231,191.40
  4. Step 4: Simplify right side
    467,897.70x = 162,260,886,479.67
  5. Step 5: Solve for x
    x = 162,260,886,479.67/467,897.70
  6. Step 6: Final answer
    x = 346,787.10

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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.