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Finding the Fourth Proportional to 484,620.60, 727,079.64 and 248,129.32

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Solution

The fourth proportional to 484,620.60, 727,079.64 and 248,129.32 is: 372,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,620.60 : 727,079.64 = 248,129.32 : x
  2. Step 2: Convert to fraction form
    484,620.60/727,079.64 = 248,129.32/x
  3. Step 3: Cross multiply
    484,620.60x = 727,079.64 × 248,129.32
  4. Step 4: Simplify right side
    484,620.60x = 180,409,776,659.05
  5. Step 5: Solve for x
    x = 180,409,776,659.05/484,620.60
  6. Step 6: Final answer
    x = 372,270.14

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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.