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Finding the Fourth Proportional to 336,434.70, 464,266.85 and 191,259.51

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Solution

The fourth proportional to 336,434.70, 464,266.85 and 191,259.51 is: 263,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,434.70 : 464,266.85 = 191,259.51 : x
  2. Step 2: Convert to fraction form
    336,434.70/464,266.85 = 191,259.51/x
  3. Step 3: Cross multiply
    336,434.70x = 464,266.85 × 191,259.51
  4. Step 4: Simplify right side
    336,434.70x = 88,795,450,240.24
  5. Step 5: Solve for x
    x = 88,795,450,240.24/336,434.70
  6. Step 6: Final answer
    x = 263,930.71

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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.