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Finding the Fourth Proportional to 338,446.65, 467,055.41 and 187,543.65

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Solution

The fourth proportional to 338,446.65, 467,055.41 and 187,543.65 is: 258,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,446.65 : 467,055.41 = 187,543.65 : x
  2. Step 2: Convert to fraction form
    338,446.65/467,055.41 = 187,543.65/x
  3. Step 3: Cross multiply
    338,446.65x = 467,055.41 × 187,543.65
  4. Step 4: Simplify right side
    338,446.65x = 87,593,275,405.93
  5. Step 5: Solve for x
    x = 87,593,275,405.93/338,446.65
  6. Step 6: Final answer
    x = 258,809.70

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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.