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Finding the Fourth Proportional to 229,991.40, 344,987.10 and 200,466.90

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Solution

The fourth proportional to 229,991.40, 344,987.10 and 200,466.90 is: 300,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,991.40 : 344,987.10 = 200,466.90 : x
  2. Step 2: Convert to fraction form
    229,991.40/344,987.10 = 200,466.90/x
  3. Step 3: Cross multiply
    229,991.40x = 344,987.10 × 200,466.90
  4. Step 4: Simplify right side
    229,991.40x = 69,158,494,476.99
  5. Step 5: Solve for x
    x = 69,158,494,476.99/229,991.40
  6. Step 6: Final answer
    x = 300,700.35

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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.