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Finding the Fourth Proportional to 268,589.60, 370,662.60 and 147,740.24

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Solution

The fourth proportional to 268,589.60, 370,662.60 and 147,740.24 is: 203,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,589.60 : 370,662.60 = 147,740.24 : x
  2. Step 2: Convert to fraction form
    268,589.60/370,662.60 = 147,740.24/x
  3. Step 3: Cross multiply
    268,589.60x = 370,662.60 × 147,740.24
  4. Step 4: Simplify right side
    268,589.60x = 54,761,781,483.02
  5. Step 5: Solve for x
    x = 54,761,781,483.02/268,589.60
  6. Step 6: Final answer
    x = 203,886.46

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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.