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Finding the Fourth Proportional to 248,637.80, 372,956.70 and 185,652.20

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Solution

The fourth proportional to 248,637.80, 372,956.70 and 185,652.20 is: 278,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,637.80 : 372,956.70 = 185,652.20 : x
  2. Step 2: Convert to fraction form
    248,637.80/372,956.70 = 185,652.20/x
  3. Step 3: Cross multiply
    248,637.80x = 372,956.70 × 185,652.20
  4. Step 4: Simplify right side
    248,637.80x = 69,240,231,859.74
  5. Step 5: Solve for x
    x = 69,240,231,859.74/248,637.80
  6. Step 6: Final answer
    x = 278,478.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.