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Finding the Fourth Proportional to 324,155.42, 447,393.03 and 193,341.46

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Solution

The fourth proportional to 324,155.42, 447,393.03 and 193,341.46 is: 266,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,155.42 : 447,393.03 = 193,341.46 : x
  2. Step 2: Convert to fraction form
    324,155.42/447,393.03 = 193,341.46/x
  3. Step 3: Cross multiply
    324,155.42x = 447,393.03 × 193,341.46
  4. Step 4: Simplify right side
    324,155.42x = 86,499,622,898.30
  5. Step 5: Solve for x
    x = 86,499,622,898.30/324,155.42
  6. Step 6: Final answer
    x = 266,846.14

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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.