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Finding the Fourth Proportional to 219,499.20, 329,248.80 and 195,004.80

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Solution

The fourth proportional to 219,499.20, 329,248.80 and 195,004.80 is: 292,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,499.20 : 329,248.80 = 195,004.80 : x
  2. Step 2: Convert to fraction form
    219,499.20/329,248.80 = 195,004.80/x
  3. Step 3: Cross multiply
    219,499.20x = 329,248.80 × 195,004.80
  4. Step 4: Simplify right side
    219,499.20x = 64,205,096,394.24
  5. Step 5: Solve for x
    x = 64,205,096,394.24/219,499.20
  6. Step 6: Final answer
    x = 292,507.20

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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.