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Finding the Fourth Proportional to 534,186.89, 801,321.83 and 155,113.88

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Solution

The fourth proportional to 534,186.89, 801,321.83 and 155,113.88 is: 232,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,186.89 : 801,321.83 = 155,113.88 : x
  2. Step 2: Convert to fraction form
    534,186.89/801,321.83 = 155,113.88/x
  3. Step 3: Cross multiply
    534,186.89x = 801,321.83 × 155,113.88
  4. Step 4: Simplify right side
    534,186.89x = 124,296,133,979.50
  5. Step 5: Solve for x
    x = 124,296,133,979.50/534,186.89
  6. Step 6: Final answer
    x = 232,682.86

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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.