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Finding the Fourth Proportional to 340,763.15, 470,371.25 and 233,687.63

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Solution

The fourth proportional to 340,763.15, 470,371.25 and 233,687.63 is: 322,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,763.15 : 470,371.25 = 233,687.63 : x
  2. Step 2: Convert to fraction form
    340,763.15/470,371.25 = 233,687.63/x
  3. Step 3: Cross multiply
    340,763.15x = 470,371.25 × 233,687.63
  4. Step 4: Simplify right side
    340,763.15x = 109,919,942,632.64
  5. Step 5: Solve for x
    x = 109,919,942,632.64/340,763.15
  6. Step 6: Final answer
    x = 322,569.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.