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Finding the Fourth Proportional to 344,375.36, 475,294.40 and 286,923.56

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Solution

The fourth proportional to 344,375.36, 475,294.40 and 286,923.56 is: 396,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,375.36 : 475,294.40 = 286,923.56 : x
  2. Step 2: Convert to fraction form
    344,375.36/475,294.40 = 286,923.56/x
  3. Step 3: Cross multiply
    344,375.36x = 475,294.40 × 286,923.56
  4. Step 4: Simplify right side
    344,375.36x = 136,373,161,296.06
  5. Step 5: Solve for x
    x = 136,373,161,296.06/344,375.36
  6. Step 6: Final answer
    x = 396,001.51

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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.