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Finding the Fourth Proportional to 369,967.70, 555,122.82 and 201,287.10

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Solution

The fourth proportional to 369,967.70, 555,122.82 and 201,287.10 is: 302,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,967.70 : 555,122.82 = 201,287.10 : x
  2. Step 2: Convert to fraction form
    369,967.70/555,122.82 = 201,287.10/x
  3. Step 3: Cross multiply
    369,967.70x = 555,122.82 × 201,287.10
  4. Step 4: Simplify right side
    369,967.70x = 111,739,062,581.62
  5. Step 5: Solve for x
    x = 111,739,062,581.62/369,967.70
  6. Step 6: Final answer
    x = 302,023.83

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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.