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Finding the Fourth Proportional to 535,184.15, 738,553.76 and 293,470.84

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Solution

The fourth proportional to 535,184.15, 738,553.76 and 293,470.84 is: 404,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,184.15 : 738,553.76 = 293,470.84 : x
  2. Step 2: Convert to fraction form
    535,184.15/738,553.76 = 293,470.84/x
  3. Step 3: Cross multiply
    535,184.15x = 738,553.76 × 293,470.84
  4. Step 4: Simplify right side
    535,184.15x = 216,743,988,639.59
  5. Step 5: Solve for x
    x = 216,743,988,639.59/535,184.15
  6. Step 6: Final answer
    x = 404,989.55

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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.