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Finding the Fourth Proportional to 296,660.26, 444,990.52 and 72,020.98

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Solution

The fourth proportional to 296,660.26, 444,990.52 and 72,020.98 is: 108,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,660.26 : 444,990.52 = 72,020.98 : x
  2. Step 2: Convert to fraction form
    296,660.26/444,990.52 = 72,020.98/x
  3. Step 3: Cross multiply
    296,660.26x = 444,990.52 × 72,020.98
  4. Step 4: Simplify right side
    296,660.26x = 32,048,653,341.11
  5. Step 5: Solve for x
    x = 32,048,653,341.11/296,660.26
  6. Step 6: Final answer
    x = 108,031.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.