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Finding the Fourth Proportional to 550,785.28, 826,160.64 and 156,801.28

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Solution

The fourth proportional to 550,785.28, 826,160.64 and 156,801.28 is: 235,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,785.28 : 826,160.64 = 156,801.28 : x
  2. Step 2: Convert to fraction form
    550,785.28/826,160.64 = 156,801.28/x
  3. Step 3: Cross multiply
    550,785.28x = 826,160.64 × 156,801.28
  4. Step 4: Simplify right side
    550,785.28x = 129,543,045,837.62
  5. Step 5: Solve for x
    x = 129,543,045,837.62/550,785.28
  6. Step 6: Final answer
    x = 235,197.00

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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.