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Finding the Fourth Proportional to 488,023.40, 731,451.90 and 251,244.20

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Solution

The fourth proportional to 488,023.40, 731,451.90 and 251,244.20 is: 376,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,023.40 : 731,451.90 = 251,244.20 : x
  2. Step 2: Convert to fraction form
    488,023.40/731,451.90 = 251,244.20/x
  3. Step 3: Cross multiply
    488,023.40x = 731,451.90 × 251,244.20
  4. Step 4: Simplify right side
    488,023.40x = 183,773,047,453.98
  5. Step 5: Solve for x
    x = 183,773,047,453.98/488,023.40
  6. Step 6: Final answer
    x = 376,566.06

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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.