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Finding the Fourth Proportional to 329,248.68, 454,365.36 and 178,345.68

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Solution

The fourth proportional to 329,248.68, 454,365.36 and 178,345.68 is: 246,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,248.68 : 454,365.36 = 178,345.68 : x
  2. Step 2: Convert to fraction form
    329,248.68/454,365.36 = 178,345.68/x
  3. Step 3: Cross multiply
    329,248.68x = 454,365.36 × 178,345.68
  4. Step 4: Simplify right side
    329,248.68x = 81,034,099,097.64
  5. Step 5: Solve for x
    x = 81,034,099,097.64/329,248.68
  6. Step 6: Final answer
    x = 246,118.22

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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.