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Finding the Fourth Proportional to 324,002.37, 447,123.55 and 180,762.47

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Solution

The fourth proportional to 324,002.37, 447,123.55 and 180,762.47 is: 249,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,002.37 : 447,123.55 = 180,762.47 : x
  2. Step 2: Convert to fraction form
    324,002.37/447,123.55 = 180,762.47/x
  3. Step 3: Cross multiply
    324,002.37x = 447,123.55 × 180,762.47
  4. Step 4: Simplify right side
    324,002.37x = 80,823,155,057.55
  5. Step 5: Solve for x
    x = 80,823,155,057.55/324,002.37
  6. Step 6: Final answer
    x = 249,452.36

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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.