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Finding the Fourth Proportional to 222,822.44, 307,495.47 and 127,328.91

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Solution

The fourth proportional to 222,822.44, 307,495.47 and 127,328.91 is: 175,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,822.44 : 307,495.47 = 127,328.91 : x
  2. Step 2: Convert to fraction form
    222,822.44/307,495.47 = 127,328.91/x
  3. Step 3: Cross multiply
    222,822.44x = 307,495.47 × 127,328.91
  4. Step 4: Simplify right side
    222,822.44x = 39,153,063,025.04
  5. Step 5: Solve for x
    x = 39,153,063,025.04/222,822.44
  6. Step 6: Final answer
    x = 175,714.18

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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.