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Finding the Fourth Proportional to 806,690.14, 1,209,752.92 and 237,920.22

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Solution

The fourth proportional to 806,690.14, 1,209,752.92 and 237,920.22 is: 356,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,690.14 : 1,209,752.92 = 237,920.22 : x
  2. Step 2: Convert to fraction form
    806,690.14/1,209,752.92 = 237,920.22/x
  3. Step 3: Cross multiply
    806,690.14x = 1,209,752.92 × 237,920.22
  4. Step 4: Simplify right side
    806,690.14x = 287,824,681,169.44
  5. Step 5: Solve for x
    x = 287,824,681,169.44/806,690.14
  6. Step 6: Final answer
    x = 356,797.07

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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.