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Finding the Fourth Proportional to 341,226.79, 470,889.69 and 188,266.21

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Solution

The fourth proportional to 341,226.79, 470,889.69 and 188,266.21 is: 259,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,226.79 : 470,889.69 = 188,266.21 : x
  2. Step 2: Convert to fraction form
    341,226.79/470,889.69 = 188,266.21/x
  3. Step 3: Cross multiply
    341,226.79x = 470,889.69 × 188,266.21
  4. Step 4: Simplify right side
    341,226.79x = 88,652,617,264.37
  5. Step 5: Solve for x
    x = 88,652,617,264.37/341,226.79
  6. Step 6: Final answer
    x = 259,805.56

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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.