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Finding the Fourth Proportional to 401,324.00, 553,824.19 and 220,032.93

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Solution

The fourth proportional to 401,324.00, 553,824.19 and 220,032.93 is: 303,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,324.00 : 553,824.19 = 220,032.93 : x
  2. Step 2: Convert to fraction form
    401,324.00/553,824.19 = 220,032.93/x
  3. Step 3: Cross multiply
    401,324.00x = 553,824.19 × 220,032.93
  4. Step 4: Simplify right side
    401,324.00x = 121,859,560,344.77
  5. Step 5: Solve for x
    x = 121,859,560,344.77/401,324.00
  6. Step 6: Final answer
    x = 303,643.84

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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.