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Finding the Fourth Proportional to 403,599.96, 556,947.36 and 222,307.98

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Solution

The fourth proportional to 403,599.96, 556,947.36 and 222,307.98 is: 306,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,599.96 : 556,947.36 = 222,307.98 : x
  2. Step 2: Convert to fraction form
    403,599.96/556,947.36 = 222,307.98/x
  3. Step 3: Cross multiply
    403,599.96x = 556,947.36 × 222,307.98
  4. Step 4: Simplify right side
    403,599.96x = 123,813,842,567.93
  5. Step 5: Solve for x
    x = 123,813,842,567.93/403,599.96
  6. Step 6: Final answer
    x = 306,773.68

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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.