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Finding the Fourth Proportional to 397,101.63, 595,726.24 and 130,880.85

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Solution

The fourth proportional to 397,101.63, 595,726.24 and 130,880.85 is: 196,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,101.63 : 595,726.24 = 130,880.85 : x
  2. Step 2: Convert to fraction form
    397,101.63/595,726.24 = 130,880.85/x
  3. Step 3: Cross multiply
    397,101.63x = 595,726.24 × 130,880.85
  4. Step 4: Simplify right side
    397,101.63x = 77,969,153,679.87
  5. Step 5: Solve for x
    x = 77,969,153,679.87/397,101.63
  6. Step 6: Final answer
    x = 196,345.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.