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Finding the Fourth Proportional to 539,991.56, 810,118.56 and 166,014.56

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Solution

The fourth proportional to 539,991.56, 810,118.56 and 166,014.56 is: 249,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,991.56 : 810,118.56 = 166,014.56 : x
  2. Step 2: Convert to fraction form
    539,991.56/810,118.56 = 166,014.56/x
  3. Step 3: Cross multiply
    539,991.56x = 810,118.56 × 166,014.56
  4. Step 4: Simplify right side
    539,991.56x = 134,491,478,934.09
  5. Step 5: Solve for x
    x = 134,491,478,934.09/539,991.56
  6. Step 6: Final answer
    x = 249,062.19

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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.