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Finding the Fourth Proportional to 338,155.56, 466,669.20 and 187,252.56

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Solution

The fourth proportional to 338,155.56, 466,669.20 and 187,252.56 is: 258,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,155.56 : 466,669.20 = 187,252.56 : x
  2. Step 2: Convert to fraction form
    338,155.56/466,669.20 = 187,252.56/x
  3. Step 3: Cross multiply
    338,155.56x = 466,669.20 × 187,252.56
  4. Step 4: Simplify right side
    338,155.56x = 87,385,002,373.15
  5. Step 5: Solve for x
    x = 87,385,002,373.15/338,155.56
  6. Step 6: Final answer
    x = 258,416.58

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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.