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Finding the Fourth Proportional to 268,575.72, 370,643.54 and 147,726.34

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Solution

The fourth proportional to 268,575.72, 370,643.54 and 147,726.34 is: 203,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,575.72 : 370,643.54 = 147,726.34 : x
  2. Step 2: Convert to fraction form
    268,575.72/370,643.54 = 147,726.34/x
  3. Step 3: Cross multiply
    268,575.72x = 370,643.54 × 147,726.34
  4. Step 4: Simplify right side
    268,575.72x = 54,753,813,608.84
  5. Step 5: Solve for x
    x = 54,753,813,608.84/268,575.72
  6. Step 6: Final answer
    x = 203,867.33

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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.