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Finding the Fourth Proportional to 632,257.60, 946,418.10 and 612,574.60

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Solution

The fourth proportional to 632,257.60, 946,418.10 and 612,574.60 is: 916,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,257.60 : 946,418.10 = 612,574.60 : x
  2. Step 2: Convert to fraction form
    632,257.60/946,418.10 = 612,574.60/x
  3. Step 3: Cross multiply
    632,257.60x = 946,418.10 × 612,574.60
  4. Step 4: Simplify right side
    632,257.60x = 579,751,689,040.26
  5. Step 5: Solve for x
    x = 579,751,689,040.26/632,257.60
  6. Step 6: Final answer
    x = 916,954.88

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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.