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Finding the Fourth Proportional to 534,708.11, 737,897.37 and 292,988.72

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Solution

The fourth proportional to 534,708.11, 737,897.37 and 292,988.72 is: 404,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,708.11 : 737,897.37 = 292,988.72 : x
  2. Step 2: Convert to fraction form
    534,708.11/737,897.37 = 292,988.72/x
  3. Step 3: Cross multiply
    534,708.11x = 737,897.37 × 292,988.72
  4. Step 4: Simplify right side
    534,708.11x = 216,195,605,927.67
  5. Step 5: Solve for x
    x = 216,195,605,927.67/534,708.11
  6. Step 6: Final answer
    x = 404,324.53

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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.