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Finding the Fourth Proportional to 360,207.63, 540,404.82 and 191,589.23

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Solution

The fourth proportional to 360,207.63, 540,404.82 and 191,589.23 is: 287,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,207.63 : 540,404.82 = 191,589.23 : x
  2. Step 2: Convert to fraction form
    360,207.63/540,404.82 = 191,589.23/x
  3. Step 3: Cross multiply
    360,207.63x = 540,404.82 × 191,589.23
  4. Step 4: Simplify right side
    360,207.63x = 103,535,744,703.10
  5. Step 5: Solve for x
    x = 103,535,744,703.10/360,207.63
  6. Step 6: Final answer
    x = 287,433.51

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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.