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Finding the Fourth Proportional to 227,041.60, 340,562.40 and 191,612.20

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Solution

The fourth proportional to 227,041.60, 340,562.40 and 191,612.20 is: 287,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,041.60 : 340,562.40 = 191,612.20 : x
  2. Step 2: Convert to fraction form
    227,041.60/340,562.40 = 191,612.20/x
  3. Step 3: Cross multiply
    227,041.60x = 340,562.40 × 191,612.20
  4. Step 4: Simplify right side
    227,041.60x = 65,255,910,701.28
  5. Step 5: Solve for x
    x = 65,255,910,701.28/227,041.60
  6. Step 6: Final answer
    x = 287,418.30

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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.