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Finding the Fourth Proportional to 516,958.22, 775,437.60 and 162,000.02

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Solution

The fourth proportional to 516,958.22, 775,437.60 and 162,000.02 is: 243,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,958.22 : 775,437.60 = 162,000.02 : x
  2. Step 2: Convert to fraction form
    516,958.22/775,437.60 = 162,000.02/x
  3. Step 3: Cross multiply
    516,958.22x = 775,437.60 × 162,000.02
  4. Step 4: Simplify right side
    516,958.22x = 125,620,906,708.75
  5. Step 5: Solve for x
    x = 125,620,906,708.75/516,958.22
  6. Step 6: Final answer
    x = 243,000.11

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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.