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Finding the Fourth Proportional to 480,398.31, 662,881.94 and 273,672.14

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Solution

The fourth proportional to 480,398.31, 662,881.94 and 273,672.14 is: 377,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,398.31 : 662,881.94 = 273,672.14 : x
  2. Step 2: Convert to fraction form
    480,398.31/662,881.94 = 273,672.14/x
  3. Step 3: Cross multiply
    480,398.31x = 662,881.94 × 273,672.14
  4. Step 4: Simplify right side
    480,398.31x = 181,412,315,430.65
  5. Step 5: Solve for x
    x = 181,412,315,430.65/480,398.31
  6. Step 6: Final answer
    x = 377,628.96

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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.