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Finding the Fourth Proportional to 222,876.40, 307,494.63 and 127,315.44

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Solution

The fourth proportional to 222,876.40, 307,494.63 and 127,315.44 is: 175,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,876.40 : 307,494.63 = 127,315.44 : x
  2. Step 2: Convert to fraction form
    222,876.40/307,494.63 = 127,315.44/x
  3. Step 3: Cross multiply
    222,876.40x = 307,494.63 × 127,315.44
  4. Step 4: Simplify right side
    222,876.40x = 39,148,814,116.09
  5. Step 5: Solve for x
    x = 39,148,814,116.09/222,876.40
  6. Step 6: Final answer
    x = 175,652.58

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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.