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Finding the Fourth Proportional to 338,097.39, 466,611.65 and 215,594.28

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Solution

The fourth proportional to 338,097.39, 466,611.65 and 215,594.28 is: 297,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,097.39 : 466,611.65 = 215,594.28 : x
  2. Step 2: Convert to fraction form
    338,097.39/466,611.65 = 215,594.28/x
  3. Step 3: Cross multiply
    338,097.39x = 466,611.65 × 215,594.28
  4. Step 4: Simplify right side
    338,097.39x = 100,598,801,643.39
  5. Step 5: Solve for x
    x = 100,598,801,643.39/338,097.39
  6. Step 6: Final answer
    x = 297,543.86

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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.