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Finding the Fourth Proportional to 403,934.79, 557,433.72 and 222,653.67

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Solution

The fourth proportional to 403,934.79, 557,433.72 and 222,653.67 is: 307,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,934.79 : 557,433.72 = 222,653.67 : x
  2. Step 2: Convert to fraction form
    403,934.79/557,433.72 = 222,653.67/x
  3. Step 3: Cross multiply
    403,934.79x = 557,433.72 × 222,653.67
  4. Step 4: Simplify right side
    403,934.79x = 124,114,663,539.75
  5. Step 5: Solve for x
    x = 124,114,663,539.75/403,934.79
  6. Step 6: Final answer
    x = 307,264.11

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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.