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Finding the Fourth Proportional to 248,175.60, 372,263.40 and 220,619.40

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Solution

The fourth proportional to 248,175.60, 372,263.40 and 220,619.40 is: 330,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,175.60 : 372,263.40 = 220,619.40 : x
  2. Step 2: Convert to fraction form
    248,175.60/372,263.40 = 220,619.40/x
  3. Step 3: Cross multiply
    248,175.60x = 372,263.40 × 220,619.40
  4. Step 4: Simplify right side
    248,175.60x = 82,128,527,949.96
  5. Step 5: Solve for x
    x = 82,128,527,949.96/248,175.60
  6. Step 6: Final answer
    x = 330,929.10

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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.