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Finding the Fourth Proportional to 488,007.20, 733,239.60 and 310,599.20

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Solution

The fourth proportional to 488,007.20, 733,239.60 and 310,599.20 is: 466,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,007.20 : 733,239.60 = 310,599.20 : x
  2. Step 2: Convert to fraction form
    488,007.20/733,239.60 = 310,599.20/x
  3. Step 3: Cross multiply
    488,007.20x = 733,239.60 × 310,599.20
  4. Step 4: Simplify right side
    488,007.20x = 227,743,633,168.32
  5. Step 5: Solve for x
    x = 227,743,633,168.32/488,007.20
  6. Step 6: Final answer
    x = 466,680.89

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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.