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Finding the Fourth Proportional to 482,612.65, 666,005.50 and 267,754.25

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Solution

The fourth proportional to 482,612.65, 666,005.50 and 267,754.25 is: 369,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,612.65 : 666,005.50 = 267,754.25 : x
  2. Step 2: Convert to fraction form
    482,612.65/666,005.50 = 267,754.25/x
  3. Step 3: Cross multiply
    482,612.65x = 666,005.50 × 267,754.25
  4. Step 4: Simplify right side
    482,612.65x = 178,325,805,148.08
  5. Step 5: Solve for x
    x = 178,325,805,148.08/482,612.65
  6. Step 6: Final answer
    x = 369,500.89

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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.