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Finding the Fourth Proportional to 268,407.50, 370,407.03 and 147,553.88

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Solution

The fourth proportional to 268,407.50, 370,407.03 and 147,553.88 is: 203,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,407.50 : 370,407.03 = 147,553.88 : x
  2. Step 2: Convert to fraction form
    268,407.50/370,407.03 = 147,553.88/x
  3. Step 3: Cross multiply
    268,407.50x = 370,407.03 × 147,553.88
  4. Step 4: Simplify right side
    268,407.50x = 54,654,994,455.78
  5. Step 5: Solve for x
    x = 54,654,994,455.78/268,407.50
  6. Step 6: Final answer
    x = 203,626.93

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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.