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Finding the Fourth Proportional to 360,436.10, 540,301.02 and 200,588.26

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Solution

The fourth proportional to 360,436.10, 540,301.02 and 200,588.26 is: 300,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,436.10 : 540,301.02 = 200,588.26 : x
  2. Step 2: Convert to fraction form
    360,436.10/540,301.02 = 200,588.26/x
  3. Step 3: Cross multiply
    360,436.10x = 540,301.02 × 200,588.26
  4. Step 4: Simplify right side
    360,436.10x = 108,378,041,478.03
  5. Step 5: Solve for x
    x = 108,378,041,478.03/360,436.10
  6. Step 6: Final answer
    x = 300,685.87

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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.