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Finding the Fourth Proportional to 482,959.20, 724,274.64 and 167,342.40

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Solution

The fourth proportional to 482,959.20, 724,274.64 and 167,342.40 is: 250,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,959.20 : 724,274.64 = 167,342.40 : x
  2. Step 2: Convert to fraction form
    482,959.20/724,274.64 = 167,342.40/x
  3. Step 3: Cross multiply
    482,959.20x = 724,274.64 × 167,342.40
  4. Step 4: Simplify right side
    482,959.20x = 121,201,856,516.74
  5. Step 5: Solve for x
    x = 121,201,856,516.74/482,959.20
  6. Step 6: Final answer
    x = 250,956.72

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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.