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Finding the Fourth Proportional to 534,862.95, 738,077.42 and 293,128.37

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Solution

The fourth proportional to 534,862.95, 738,077.42 and 293,128.37 is: 404,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,862.95 : 738,077.42 = 293,128.37 : x
  2. Step 2: Convert to fraction form
    534,862.95/738,077.42 = 293,128.37/x
  3. Step 3: Cross multiply
    534,862.95x = 738,077.42 × 293,128.37
  4. Step 4: Simplify right side
    534,862.95x = 216,351,429,219.78
  5. Step 5: Solve for x
    x = 216,351,429,219.78/534,862.95
  6. Step 6: Final answer
    x = 404,498.82

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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.