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Finding the Fourth Proportional to 467,937.20, 701,905.80 and 408,888.20

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Solution

The fourth proportional to 467,937.20, 701,905.80 and 408,888.20 is: 613,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,937.20 : 701,905.80 = 408,888.20 : x
  2. Step 2: Convert to fraction form
    467,937.20/701,905.80 = 408,888.20/x
  3. Step 3: Cross multiply
    467,937.20x = 701,905.80 × 408,888.20
  4. Step 4: Simplify right side
    467,937.20x = 287,000,999,131.56
  5. Step 5: Solve for x
    x = 287,000,999,131.56/467,937.20
  6. Step 6: Final answer
    x = 613,332.30

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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.