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Finding the Fourth Proportional to 534,425.88, 737,519.66 and 304,978.59

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Solution

The fourth proportional to 534,425.88, 737,519.66 and 304,978.59 is: 420,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,425.88 : 737,519.66 = 304,978.59 : x
  2. Step 2: Convert to fraction form
    534,425.88/737,519.66 = 304,978.59/x
  3. Step 3: Cross multiply
    534,425.88x = 737,519.66 × 304,978.59
  4. Step 4: Simplify right side
    534,425.88x = 224,927,704,479.19
  5. Step 5: Solve for x
    x = 224,927,704,479.19/534,425.88
  6. Step 6: Final answer
    x = 420,877.27

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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.