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Finding the Fourth Proportional to 324,017.34, 447,165.42 and 180,780.48

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Solution

The fourth proportional to 324,017.34, 447,165.42 and 180,780.48 is: 249,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,017.34 : 447,165.42 = 180,780.48 : x
  2. Step 2: Convert to fraction form
    324,017.34/447,165.42 = 180,780.48/x
  3. Step 3: Cross multiply
    324,017.34x = 447,165.42 × 180,780.48
  4. Step 4: Simplify right side
    324,017.34x = 80,838,779,267.00
  5. Step 5: Solve for x
    x = 80,838,779,267.00/324,017.34
  6. Step 6: Final answer
    x = 249,489.05

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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.