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Finding the Fourth Proportional to 380,201.36, 524,661.36 and 210,425.36

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Solution

The fourth proportional to 380,201.36, 524,661.36 and 210,425.36 is: 290,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,201.36 : 524,661.36 = 210,425.36 : x
  2. Step 2: Convert to fraction form
    380,201.36/524,661.36 = 210,425.36/x
  3. Step 3: Cross multiply
    380,201.36x = 524,661.36 × 210,425.36
  4. Step 4: Simplify right side
    380,201.36x = 110,402,052,932.78
  5. Step 5: Solve for x
    x = 110,402,052,932.78/380,201.36
  6. Step 6: Final answer
    x = 290,377.85

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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.