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Finding the Fourth Proportional to 324,004.74, 447,125.28 and 180,764.88

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Solution

The fourth proportional to 324,004.74, 447,125.28 and 180,764.88 is: 249,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,004.74 : 447,125.28 = 180,764.88 : x
  2. Step 2: Convert to fraction form
    324,004.74/447,125.28 = 180,764.88/x
  3. Step 3: Cross multiply
    324,004.74x = 447,125.28 × 180,764.88
  4. Step 4: Simplify right side
    324,004.74x = 80,824,547,584.17
  5. Step 5: Solve for x
    x = 80,824,547,584.17/324,004.74
  6. Step 6: Final answer
    x = 249,454.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.