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Finding the Fourth Proportional to 265,956.48, 367,065.54 and 253,998.72

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Solution

The fourth proportional to 265,956.48, 367,065.54 and 253,998.72 is: 350,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,956.48 : 367,065.54 = 253,998.72 : x
  2. Step 2: Convert to fraction form
    265,956.48/367,065.54 = 253,998.72/x
  3. Step 3: Cross multiply
    265,956.48x = 367,065.54 × 253,998.72
  4. Step 4: Simplify right side
    265,956.48x = 93,234,177,316.11
  5. Step 5: Solve for x
    x = 93,234,177,316.11/265,956.48
  6. Step 6: Final answer
    x = 350,561.78

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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.