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Finding the Fourth Proportional to 356,038.82, 533,689.16 and 222,612.68

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Solution

The fourth proportional to 356,038.82, 533,689.16 and 222,612.68 is: 333,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,038.82 : 533,689.16 = 222,612.68 : x
  2. Step 2: Convert to fraction form
    356,038.82/533,689.16 = 222,612.68/x
  3. Step 3: Cross multiply
    356,038.82x = 533,689.16 × 222,612.68
  4. Step 4: Simplify right side
    356,038.82x = 118,805,974,194.55
  5. Step 5: Solve for x
    x = 118,805,974,194.55/356,038.82
  6. Step 6: Final answer
    x = 333,688.26

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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.