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Finding the Fourth Proportional to 552,193.22, 760,146.09 and 408,682.82

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Solution

The fourth proportional to 552,193.22, 760,146.09 and 408,682.82 is: 562,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,193.22 : 760,146.09 = 408,682.82 : x
  2. Step 2: Convert to fraction form
    552,193.22/760,146.09 = 408,682.82/x
  3. Step 3: Cross multiply
    552,193.22x = 760,146.09 × 408,682.82
  4. Step 4: Simplify right side
    552,193.22x = 310,658,647,673.17
  5. Step 5: Solve for x
    x = 310,658,647,673.17/552,193.22
  6. Step 6: Final answer
    x = 562,590.48

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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.