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Finding the Fourth Proportional to 884,737.80, 1,327,107.60 and 219,889.80

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Solution

The fourth proportional to 884,737.80, 1,327,107.60 and 219,889.80 is: 329,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,737.80 : 1,327,107.60 = 219,889.80 : x
  2. Step 2: Convert to fraction form
    884,737.80/1,327,107.60 = 219,889.80/x
  3. Step 3: Cross multiply
    884,737.80x = 1,327,107.60 × 219,889.80
  4. Step 4: Simplify right side
    884,737.80x = 291,817,424,742.48
  5. Step 5: Solve for x
    x = 291,817,424,742.48/884,737.80
  6. Step 6: Final answer
    x = 329,834.92

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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.