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Finding the Fourth Proportional to 323,999.61, 447,119.75 and 180,759.70

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Solution

The fourth proportional to 323,999.61, 447,119.75 and 180,759.70 is: 249,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,999.61 : 447,119.75 = 180,759.70 : x
  2. Step 2: Convert to fraction form
    323,999.61/447,119.75 = 180,759.70/x
  3. Step 3: Cross multiply
    323,999.61x = 447,119.75 × 180,759.70
  4. Step 4: Simplify right side
    323,999.61x = 80,821,231,868.10
  5. Step 5: Solve for x
    x = 80,821,231,868.10/323,999.61
  6. Step 6: Final answer
    x = 249,448.55

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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.