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Finding the Fourth Proportional to 268,402.50, 370,400.13 and 147,548.88

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Solution

The fourth proportional to 268,402.50, 370,400.13 and 147,548.88 is: 203,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,402.50 : 370,400.13 = 147,548.88 : x
  2. Step 2: Convert to fraction form
    268,402.50/370,400.13 = 147,548.88/x
  3. Step 3: Cross multiply
    268,402.50x = 370,400.13 × 147,548.88
  4. Step 4: Simplify right side
    268,402.50x = 54,652,124,333.35
  5. Step 5: Solve for x
    x = 54,652,124,333.35/268,402.50
  6. Step 6: Final answer
    x = 203,620.03

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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.