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Finding the Fourth Proportional to 484,207.64, 726,428.16 and 151,783.64

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Solution

The fourth proportional to 484,207.64, 726,428.16 and 151,783.64 is: 227,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,207.64 : 726,428.16 = 151,783.64 : x
  2. Step 2: Convert to fraction form
    484,207.64/726,428.16 = 151,783.64/x
  3. Step 3: Cross multiply
    484,207.64x = 726,428.16 × 151,783.64
  4. Step 4: Simplify right side
    484,207.64x = 110,259,910,323.30
  5. Step 5: Solve for x
    x = 110,259,910,323.30/484,207.64
  6. Step 6: Final answer
    x = 227,712.04

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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.