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Finding the Fourth Proportional to 331,482.20, 497,223.30 and 94,832.60

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Solution

The fourth proportional to 331,482.20, 497,223.30 and 94,832.60 is: 142,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,482.20 : 497,223.30 = 94,832.60 : x
  2. Step 2: Convert to fraction form
    331,482.20/497,223.30 = 94,832.60/x
  3. Step 3: Cross multiply
    331,482.20x = 497,223.30 × 94,832.60
  4. Step 4: Simplify right side
    331,482.20x = 47,152,978,319.58
  5. Step 5: Solve for x
    x = 47,152,978,319.58/331,482.20
  6. Step 6: Final answer
    x = 142,248.90

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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.