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Finding the Fourth Proportional to 550,739.40, 826,129.32 and 151,411.44

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Solution

The fourth proportional to 550,739.40, 826,129.32 and 151,411.44 is: 227,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,739.40 : 826,129.32 = 151,411.44 : x
  2. Step 2: Convert to fraction form
    550,739.40/826,129.32 = 151,411.44/x
  3. Step 3: Cross multiply
    550,739.40x = 826,129.32 × 151,411.44
  4. Step 4: Simplify right side
    550,739.40x = 125,085,429,967.42
  5. Step 5: Solve for x
    x = 125,085,429,967.42/550,739.40
  6. Step 6: Final answer
    x = 227,122.72

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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.