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Finding the Fourth Proportional to 360,437.08, 540,302.52 and 200,589.28

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Solution

The fourth proportional to 360,437.08, 540,302.52 and 200,589.28 is: 300,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,437.08 : 540,302.52 = 200,589.28 : x
  2. Step 2: Convert to fraction form
    360,437.08/540,302.52 = 200,589.28/x
  3. Step 3: Cross multiply
    360,437.08x = 540,302.52 × 200,589.28
  4. Step 4: Simplify right side
    360,437.08x = 108,378,893,468.99
  5. Step 5: Solve for x
    x = 108,378,893,468.99/360,437.08
  6. Step 6: Final answer
    x = 300,687.41

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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.