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Finding the Fourth Proportional to 432,988.32, 597,519.92 and 239,409.42

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Solution

The fourth proportional to 432,988.32, 597,519.92 and 239,409.42 is: 330,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,988.32 : 597,519.92 = 239,409.42 : x
  2. Step 2: Convert to fraction form
    432,988.32/597,519.92 = 239,409.42/x
  3. Step 3: Cross multiply
    432,988.32x = 597,519.92 × 239,409.42
  4. Step 4: Simplify right side
    432,988.32x = 143,051,897,485.65
  5. Step 5: Solve for x
    x = 143,051,897,485.65/432,988.32
  6. Step 6: Final answer
    x = 330,382.81

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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.