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Finding the Fourth Proportional to 344,139.84, 474,919.20 and 193,242.24

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Solution

The fourth proportional to 344,139.84, 474,919.20 and 193,242.24 is: 266,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,139.84 : 474,919.20 = 193,242.24 : x
  2. Step 2: Convert to fraction form
    344,139.84/474,919.20 = 193,242.24/x
  3. Step 3: Cross multiply
    344,139.84x = 474,919.20 × 193,242.24
  4. Step 4: Simplify right side
    344,139.84x = 91,774,450,027.01
  5. Step 5: Solve for x
    x = 91,774,450,027.01/344,139.84
  6. Step 6: Final answer
    x = 266,677.78

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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.