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Finding the Fourth Proportional to 601,051.72, 829,470.15 and 329,145.42

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Solution

The fourth proportional to 601,051.72, 829,470.15 and 329,145.42 is: 454,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,051.72 : 829,470.15 = 329,145.42 : x
  2. Step 2: Convert to fraction form
    601,051.72/829,470.15 = 329,145.42/x
  3. Step 3: Cross multiply
    601,051.72x = 829,470.15 × 329,145.42
  4. Step 4: Simplify right side
    601,051.72x = 273,016,299,253.49
  5. Step 5: Solve for x
    x = 273,016,299,253.49/601,051.72
  6. Step 6: Final answer
    x = 454,230.96

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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.