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Finding the Fourth Proportional to 294,813.70, 406,844.28 and 167,496.28

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Solution

The fourth proportional to 294,813.70, 406,844.28 and 167,496.28 is: 231,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,813.70 : 406,844.28 = 167,496.28 : x
  2. Step 2: Convert to fraction form
    294,813.70/406,844.28 = 167,496.28/x
  3. Step 3: Cross multiply
    294,813.70x = 406,844.28 × 167,496.28
  4. Step 4: Simplify right side
    294,813.70x = 68,144,903,439.28
  5. Step 5: Solve for x
    x = 68,144,903,439.28/294,813.70
  6. Step 6: Final answer
    x = 231,145.65

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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.