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Finding the Fourth Proportional to 219,612.60, 329,418.90 and 182,214.90

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Solution

The fourth proportional to 219,612.60, 329,418.90 and 182,214.90 is: 273,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,612.60 : 329,418.90 = 182,214.90 : x
  2. Step 2: Convert to fraction form
    219,612.60/329,418.90 = 182,214.90/x
  3. Step 3: Cross multiply
    219,612.60x = 329,418.90 × 182,214.90
  4. Step 4: Simplify right side
    219,612.60x = 60,025,031,921.61
  5. Step 5: Solve for x
    x = 60,025,031,921.61/219,612.60
  6. Step 6: Final answer
    x = 273,322.35

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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.