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Finding the Fourth Proportional to 268,807.38, 370,799.70 and 168,030.42

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Solution

The fourth proportional to 268,807.38, 370,799.70 and 168,030.42 is: 231,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,807.38 : 370,799.70 = 168,030.42 : x
  2. Step 2: Convert to fraction form
    268,807.38/370,799.70 = 168,030.42/x
  3. Step 3: Cross multiply
    268,807.38x = 370,799.70 × 168,030.42
  4. Step 4: Simplify right side
    268,807.38x = 62,305,629,326.87
  5. Step 5: Solve for x
    x = 62,305,629,326.87/268,807.38
  6. Step 6: Final answer
    x = 231,785.41

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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.