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Finding the Fourth Proportional to 535,100.41, 738,434.66 and 293,379.00

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Solution

The fourth proportional to 535,100.41, 738,434.66 and 293,379.00 is: 404,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,100.41 : 738,434.66 = 293,379.00 : x
  2. Step 2: Convert to fraction form
    535,100.41/738,434.66 = 293,379.00/x
  3. Step 3: Cross multiply
    535,100.41x = 738,434.66 × 293,379.00
  4. Step 4: Simplify right side
    535,100.41x = 216,641,218,423.97
  5. Step 5: Solve for x
    x = 216,641,218,423.97/535,100.41
  6. Step 6: Final answer
    x = 404,860.87

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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.