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Finding the Fourth Proportional to 285,937.20, 428,614.20 and 167,547.60

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Solution

The fourth proportional to 285,937.20, 428,614.20 and 167,547.60 is: 251,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,937.20 : 428,614.20 = 167,547.60 : x
  2. Step 2: Convert to fraction form
    285,937.20/428,614.20 = 167,547.60/x
  3. Step 3: Cross multiply
    285,937.20x = 428,614.20 × 167,547.60
  4. Step 4: Simplify right side
    285,937.20x = 71,813,280,535.92
  5. Step 5: Solve for x
    x = 71,813,280,535.92/285,937.20
  6. Step 6: Final answer
    x = 251,150.53

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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.