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Finding the Fourth Proportional to 534,617.38, 737,590.33 and 305,009.71

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Solution

The fourth proportional to 534,617.38, 737,590.33 and 305,009.71 is: 420,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,617.38 : 737,590.33 = 305,009.71 : x
  2. Step 2: Convert to fraction form
    534,617.38/737,590.33 = 305,009.71/x
  3. Step 3: Cross multiply
    534,617.38x = 737,590.33 × 305,009.71
  4. Step 4: Simplify right side
    534,617.38x = 224,972,214,496.08
  5. Step 5: Solve for x
    x = 224,972,214,496.08/534,617.38
  6. Step 6: Final answer
    x = 420,809.77

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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.