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Finding the Fourth Proportional to 612,262.26, 844,863.21 and 567,122.58

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Solution

The fourth proportional to 612,262.26, 844,863.21 and 567,122.58 is: 782,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,262.26 : 844,863.21 = 567,122.58 : x
  2. Step 2: Convert to fraction form
    612,262.26/844,863.21 = 567,122.58/x
  3. Step 3: Cross multiply
    612,262.26x = 844,863.21 × 567,122.58
  4. Step 4: Simplify right side
    612,262.26x = 479,141,003,402.28
  5. Step 5: Solve for x
    x = 479,141,003,402.28/612,262.26
  6. Step 6: Final answer
    x = 782,574.78

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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.