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Finding the Fourth Proportional to 517,069.69, 775,604.77 and 162,111.39

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Solution

The fourth proportional to 517,069.69, 775,604.77 and 162,111.39 is: 243,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,069.69 : 775,604.77 = 162,111.39 : x
  2. Step 2: Convert to fraction form
    517,069.69/775,604.77 = 162,111.39/x
  3. Step 3: Cross multiply
    517,069.69x = 775,604.77 × 162,111.39
  4. Step 4: Simplify right side
    517,069.69x = 125,734,368,404.31
  5. Step 5: Solve for x
    x = 125,734,368,404.31/517,069.69
  6. Step 6: Final answer
    x = 243,167.16

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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.