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Finding the Fourth Proportional to 349,750.80, 524,626.20 and 322,194.60

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Solution

The fourth proportional to 349,750.80, 524,626.20 and 322,194.60 is: 483,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,750.80 : 524,626.20 = 322,194.60 : x
  2. Step 2: Convert to fraction form
    349,750.80/524,626.20 = 322,194.60/x
  3. Step 3: Cross multiply
    349,750.80x = 524,626.20 × 322,194.60
  4. Step 4: Simplify right side
    349,750.80x = 169,031,728,658.52
  5. Step 5: Solve for x
    x = 169,031,728,658.52/349,750.80
  6. Step 6: Final answer
    x = 483,291.90

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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.