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Finding the Fourth Proportional to 296,071.20, 444,106.80 and 207,424.80

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Solution

The fourth proportional to 296,071.20, 444,106.80 and 207,424.80 is: 311,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,071.20 : 444,106.80 = 207,424.80 : x
  2. Step 2: Convert to fraction form
    296,071.20/444,106.80 = 207,424.80/x
  3. Step 3: Cross multiply
    296,071.20x = 444,106.80 × 207,424.80
  4. Step 4: Simplify right side
    296,071.20x = 92,118,764,168.64
  5. Step 5: Solve for x
    x = 92,118,764,168.64/296,071.20
  6. Step 6: Final answer
    x = 311,137.20

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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.