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Finding the Fourth Proportional to 437,411.22, 656,116.83 and 104,987.22

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Solution

The fourth proportional to 437,411.22, 656,116.83 and 104,987.22 is: 157,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,411.22 : 656,116.83 = 104,987.22 : x
  2. Step 2: Convert to fraction form
    437,411.22/656,116.83 = 104,987.22/x
  3. Step 3: Cross multiply
    437,411.22x = 656,116.83 × 104,987.22
  4. Step 4: Simplify right side
    437,411.22x = 68,883,881,714.44
  5. Step 5: Solve for x
    x = 68,883,881,714.44/437,411.22
  6. Step 6: Final answer
    x = 157,480.83

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Similar ratio
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1.5x scale

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.