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Finding the Fourth Proportional to 404,501.18, 558,207.86 and 223,214.54

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Solution

The fourth proportional to 404,501.18, 558,207.86 and 223,214.54 is: 308,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,501.18 : 558,207.86 = 223,214.54 : x
  2. Step 2: Convert to fraction form
    404,501.18/558,207.86 = 223,214.54/x
  3. Step 3: Cross multiply
    404,501.18x = 558,207.86 × 223,214.54
  4. Step 4: Simplify right side
    404,501.18x = 124,600,106,787.17
  5. Step 5: Solve for x
    x = 124,600,106,787.17/404,501.18
  6. Step 6: Final answer
    x = 308,033.98

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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.