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Finding the Fourth Proportional to 534,425.51, 737,519.13 and 304,978.23

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Solution

The fourth proportional to 534,425.51, 737,519.13 and 304,978.23 is: 420,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,425.51 : 737,519.13 = 304,978.23 : x
  2. Step 2: Convert to fraction form
    534,425.51/737,519.13 = 304,978.23/x
  3. Step 3: Cross multiply
    534,425.51x = 737,519.13 × 304,978.23
  4. Step 4: Simplify right side
    534,425.51x = 224,927,278,858.54
  5. Step 5: Solve for x
    x = 224,927,278,858.54/534,425.51
  6. Step 6: Final answer
    x = 420,876.76

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1.5x scale

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.