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Finding the Fourth Proportional to 338,813.28, 508,205.36 and 114,158.88

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Solution

The fourth proportional to 338,813.28, 508,205.36 and 114,158.88 is: 171,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,813.28 : 508,205.36 = 114,158.88 : x
  2. Step 2: Convert to fraction form
    338,813.28/508,205.36 = 114,158.88/x
  3. Step 3: Cross multiply
    338,813.28x = 508,205.36 × 114,158.88
  4. Step 4: Simplify right side
    338,813.28x = 58,016,154,707.60
  5. Step 5: Solve for x
    x = 58,016,154,707.60/338,813.28
  6. Step 6: Final answer
    x = 171,233.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.