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Finding the Fourth Proportional to 401,344.93, 553,880.88 and 222,496.93

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Solution

The fourth proportional to 401,344.93, 553,880.88 and 222,496.93 is: 307,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,344.93 : 553,880.88 = 222,496.93 : x
  2. Step 2: Convert to fraction form
    401,344.93/553,880.88 = 222,496.93/x
  3. Step 3: Cross multiply
    401,344.93x = 553,880.88 × 222,496.93
  4. Step 4: Simplify right side
    401,344.93x = 123,236,791,503.81
  5. Step 5: Solve for x
    x = 123,236,791,503.81/401,344.93
  6. Step 6: Final answer
    x = 307,059.55

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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.