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Finding the Fourth Proportional to 200,541.30, 300,811.95 and 199,374.90

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Solution

The fourth proportional to 200,541.30, 300,811.95 and 199,374.90 is: 299,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,541.30 : 300,811.95 = 199,374.90 : x
  2. Step 2: Convert to fraction form
    200,541.30/300,811.95 = 199,374.90/x
  3. Step 3: Cross multiply
    200,541.30x = 300,811.95 × 199,374.90
  4. Step 4: Simplify right side
    200,541.30x = 59,974,352,450.06
  5. Step 5: Solve for x
    x = 59,974,352,450.06/200,541.30
  6. Step 6: Final answer
    x = 299,062.35

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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.