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Finding the Fourth Proportional to 404,567.94, 558,303.35 and 223,279.97

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Solution

The fourth proportional to 404,567.94, 558,303.35 and 223,279.97 is: 308,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,567.94 : 558,303.35 = 223,279.97 : x
  2. Step 2: Convert to fraction form
    404,567.94/558,303.35 = 223,279.97/x
  3. Step 3: Cross multiply
    404,567.94x = 558,303.35 × 223,279.97
  4. Step 4: Simplify right side
    404,567.94x = 124,657,951,330.98
  5. Step 5: Solve for x
    x = 124,657,951,330.98/404,567.94
  6. Step 6: Final answer
    x = 308,126.12

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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.