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Finding the Fourth Proportional to 324,543.39, 447,868.76 and 179,345.16

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Solution

The fourth proportional to 324,543.39, 447,868.76 and 179,345.16 is: 247,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,543.39 : 447,868.76 = 179,345.16 : x
  2. Step 2: Convert to fraction form
    324,543.39/447,868.76 = 179,345.16/x
  3. Step 3: Cross multiply
    324,543.39x = 447,868.76 × 179,345.16
  4. Step 4: Simplify right side
    324,543.39x = 80,323,093,524.48
  5. Step 5: Solve for x
    x = 80,323,093,524.48/324,543.39
  6. Step 6: Final answer
    x = 247,495.70

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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.