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Finding the Fourth Proportional to 447,161.52, 616,879.35 and 265,770.38

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Solution

The fourth proportional to 447,161.52, 616,879.35 and 265,770.38 is: 366,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,161.52 : 616,879.35 = 265,770.38 : x
  2. Step 2: Convert to fraction form
    447,161.52/616,879.35 = 265,770.38/x
  3. Step 3: Cross multiply
    447,161.52x = 616,879.35 × 265,770.38
  4. Step 4: Simplify right side
    447,161.52x = 163,948,259,263.65
  5. Step 5: Solve for x
    x = 163,948,259,263.65/447,161.52
  6. Step 6: Final answer
    x = 366,642.15

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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.