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Finding the Fourth Proportional to 268,357.86, 370,368.88 and 173,141.54

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Solution

The fourth proportional to 268,357.86, 370,368.88 and 173,141.54 is: 238,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,357.86 : 370,368.88 = 173,141.54 : x
  2. Step 2: Convert to fraction form
    268,357.86/370,368.88 = 173,141.54/x
  3. Step 3: Cross multiply
    268,357.86x = 370,368.88 × 173,141.54
  4. Step 4: Simplify right side
    268,357.86x = 64,126,238,251.28
  5. Step 5: Solve for x
    x = 64,126,238,251.28/268,357.86
  6. Step 6: Final answer
    x = 238,957.93

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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.