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Finding the Fourth Proportional to 338,372.16, 466,917.60 and 187,454.40

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Solution

The fourth proportional to 338,372.16, 466,917.60 and 187,454.40 is: 258,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,372.16 : 466,917.60 = 187,454.40 : x
  2. Step 2: Convert to fraction form
    338,372.16/466,917.60 = 187,454.40/x
  3. Step 3: Cross multiply
    338,372.16x = 466,917.60 × 187,454.40
  4. Step 4: Simplify right side
    338,372.16x = 87,525,758,557.44
  5. Step 5: Solve for x
    x = 87,525,758,557.44/338,372.16
  6. Step 6: Final answer
    x = 258,667.14

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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.