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Finding the Fourth Proportional to 601,369.47, 829,890.20 and 329,447.20

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Solution

The fourth proportional to 601,369.47, 829,890.20 and 329,447.20 is: 454,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,369.47 : 829,890.20 = 329,447.20 : x
  2. Step 2: Convert to fraction form
    601,369.47/829,890.20 = 329,447.20/x
  3. Step 3: Cross multiply
    601,369.47x = 829,890.20 × 329,447.20
  4. Step 4: Simplify right side
    601,369.47x = 273,405,002,697.44
  5. Step 5: Solve for x
    x = 273,405,002,697.44/601,369.47
  6. Step 6: Final answer
    x = 454,637.32

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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.