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Finding the Fourth Proportional to 482,956.40, 724,434.60 and 371,200.70

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Solution

The fourth proportional to 482,956.40, 724,434.60 and 371,200.70 is: 556,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,956.40 : 724,434.60 = 371,200.70 : x
  2. Step 2: Convert to fraction form
    482,956.40/724,434.60 = 371,200.70/x
  3. Step 3: Cross multiply
    482,956.40x = 724,434.60 × 371,200.70
  4. Step 4: Simplify right side
    482,956.40x = 268,910,630,624.22
  5. Step 5: Solve for x
    x = 268,910,630,624.22/482,956.40
  6. Step 6: Final answer
    x = 556,801.05

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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.