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Finding the Fourth Proportional to 324,148.60, 447,350.40 and 180,930.14

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Solution

The fourth proportional to 324,148.60, 447,350.40 and 180,930.14 is: 249,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,148.60 : 447,350.40 = 180,930.14 : x
  2. Step 2: Convert to fraction form
    324,148.60/447,350.40 = 180,930.14/x
  3. Step 3: Cross multiply
    324,148.60x = 447,350.40 × 180,930.14
  4. Step 4: Simplify right side
    324,148.60x = 80,939,170,501.06
  5. Step 5: Solve for x
    x = 80,939,170,501.06/324,148.60
  6. Step 6: Final answer
    x = 249,697.73

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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.