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Finding the Fourth Proportional to 534,164.85, 737,145.52 and 304,721.72

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Solution

The fourth proportional to 534,164.85, 737,145.52 and 304,721.72 is: 420,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,164.85 : 737,145.52 = 304,721.72 : x
  2. Step 2: Convert to fraction form
    534,164.85/737,145.52 = 304,721.72/x
  3. Step 3: Cross multiply
    534,164.85x = 737,145.52 × 304,721.72
  4. Step 4: Simplify right side
    534,164.85x = 224,624,249,221.09
  5. Step 5: Solve for x
    x = 224,624,249,221.09/534,164.85
  6. Step 6: Final answer
    x = 420,514.85

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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.