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Finding the Fourth Proportional to 517,001.67, 775,502.60 and 162,015.57

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Solution

The fourth proportional to 517,001.67, 775,502.60 and 162,015.57 is: 243,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,001.67 : 775,502.60 = 162,015.57 : x
  2. Step 2: Convert to fraction form
    517,001.67/775,502.60 = 162,015.57/x
  3. Step 3: Cross multiply
    517,001.67x = 775,502.60 × 162,015.57
  4. Step 4: Simplify right side
    517,001.67x = 125,643,494,965.40
  5. Step 5: Solve for x
    x = 125,643,494,965.40/517,001.67
  6. Step 6: Final answer
    x = 243,023.38

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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.