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Finding the Fourth Proportional to 806,841.44, 1,113,432 and 444,257.72

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Solution

The fourth proportional to 806,841.44, 1,113,432 and 444,257.72 is: 613,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,841.44 : 1,113,432 = 444,257.72 : x
  2. Step 2: Convert to fraction form
    806,841.44/1,113,432 = 444,257.72/x
  3. Step 3: Cross multiply
    806,841.44x = 1,113,432 × 444,257.72
  4. Step 4: Simplify right side
    806,841.44x = 494,650,761,695.04
  5. Step 5: Solve for x
    x = 494,650,761,695.04/806,841.44
  6. Step 6: Final answer
    x = 613,070.60

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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.