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Finding the Fourth Proportional to 669,304.34, 923,634.86 and 363,374.65

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Solution

The fourth proportional to 669,304.34, 923,634.86 and 363,374.65 is: 501,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,304.34 : 923,634.86 = 363,374.65 : x
  2. Step 2: Convert to fraction form
    669,304.34/923,634.86 = 363,374.65/x
  3. Step 3: Cross multiply
    669,304.34x = 923,634.86 × 363,374.65
  4. Step 4: Simplify right side
    669,304.34x = 335,625,493,980.30
  5. Step 5: Solve for x
    x = 335,625,493,980.30/669,304.34
  6. Step 6: Final answer
    x = 501,454.23

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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.