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Finding the Fourth Proportional to 612,053.62, 844,580.22 and 340,104.28

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Solution

The fourth proportional to 612,053.62, 844,580.22 and 340,104.28 is: 469,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,053.62 : 844,580.22 = 340,104.28 : x
  2. Step 2: Convert to fraction form
    612,053.62/844,580.22 = 340,104.28/x
  3. Step 3: Cross multiply
    612,053.62x = 844,580.22 × 340,104.28
  4. Step 4: Simplify right side
    612,053.62x = 287,245,347,625.34
  5. Step 5: Solve for x
    x = 287,245,347,625.34/612,053.62
  6. Step 6: Final answer
    x = 469,314.02

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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.