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Finding the Fourth Proportional to 534,279.52, 737,298.72 and 304,830.88

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Solution

The fourth proportional to 534,279.52, 737,298.72 and 304,830.88 is: 420,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,279.52 : 737,298.72 = 304,830.88 : x
  2. Step 2: Convert to fraction form
    534,279.52/737,298.72 = 304,830.88/x
  3. Step 3: Cross multiply
    534,279.52x = 737,298.72 × 304,830.88
  4. Step 4: Simplify right side
    534,279.52x = 224,751,417,640.47
  5. Step 5: Solve for x
    x = 224,751,417,640.47/534,279.52
  6. Step 6: Final answer
    x = 420,662.61

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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.