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Finding the Fourth Proportional to 324,969.76, 487,315.23 and 111,759.13

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Solution

The fourth proportional to 324,969.76, 487,315.23 and 111,759.13 is: 167,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,969.76 : 487,315.23 = 111,759.13 : x
  2. Step 2: Convert to fraction form
    324,969.76/487,315.23 = 111,759.13/x
  3. Step 3: Cross multiply
    324,969.76x = 487,315.23 × 111,759.13
  4. Step 4: Simplify right side
    324,969.76x = 54,461,926,140.55
  5. Step 5: Solve for x
    x = 54,461,926,140.55/324,969.76
  6. Step 6: Final answer
    x = 167,590.75

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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.