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Finding the Fourth Proportional to 360,732.13, 497,716.94 and 215,478.48

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Solution

The fourth proportional to 360,732.13, 497,716.94 and 215,478.48 is: 297,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,732.13 : 497,716.94 = 215,478.48 : x
  2. Step 2: Convert to fraction form
    360,732.13/497,716.94 = 215,478.48/x
  3. Step 3: Cross multiply
    360,732.13x = 497,716.94 × 215,478.48
  4. Step 4: Simplify right side
    360,732.13x = 107,247,288,094.86
  5. Step 5: Solve for x
    x = 107,247,288,094.86/360,732.13
  6. Step 6: Final answer
    x = 297,304.50

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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.