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Finding the Fourth Proportional to 371,477.76, 557,246.16 and 222,732.96

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Solution

The fourth proportional to 371,477.76, 557,246.16 and 222,732.96 is: 334,117.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,477.76 : 557,246.16 = 222,732.96 : x
  2. Step 2: Convert to fraction form
    371,477.76/557,246.16 = 222,732.96/x
  3. Step 3: Cross multiply
    371,477.76x = 557,246.16 × 222,732.96
  4. Step 4: Simplify right side
    371,477.76x = 124,117,086,665.43
  5. Step 5: Solve for x
    x = 124,117,086,665.43/371,477.76
  6. Step 6: Final answer
    x = 334,117.14

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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.