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Finding the Fourth Proportional to 299,352.93, 413,043.92 and 190,417.66

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Solution

The fourth proportional to 299,352.93, 413,043.92 and 190,417.66 is: 262,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,352.93 : 413,043.92 = 190,417.66 : x
  2. Step 2: Convert to fraction form
    299,352.93/413,043.92 = 190,417.66/x
  3. Step 3: Cross multiply
    299,352.93x = 413,043.92 × 190,417.66
  4. Step 4: Simplify right side
    299,352.93x = 78,650,856,882.46
  5. Step 5: Solve for x
    x = 78,650,856,882.46/299,352.93
  6. Step 6: Final answer
    x = 262,736.22

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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.