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Finding the Fourth Proportional to 340,901.83, 470,447.49 and 187,945.30

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Solution

The fourth proportional to 340,901.83, 470,447.49 and 187,945.30 is: 259,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,901.83 : 470,447.49 = 187,945.30 : x
  2. Step 2: Convert to fraction form
    340,901.83/470,447.49 = 187,945.30/x
  3. Step 3: Cross multiply
    340,901.83x = 470,447.49 × 187,945.30
  4. Step 4: Simplify right side
    340,901.83x = 88,418,394,642.30
  5. Step 5: Solve for x
    x = 88,418,394,642.30/340,901.83
  6. Step 6: Final answer
    x = 259,366.15

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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.