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Finding the Fourth Proportional to 401,594.46, 554,204.61 and 220,306.74

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Solution

The fourth proportional to 401,594.46, 554,204.61 and 220,306.74 is: 304,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,594.46 : 554,204.61 = 220,306.74 : x
  2. Step 2: Convert to fraction form
    401,594.46/554,204.61 = 220,306.74/x
  3. Step 3: Cross multiply
    401,594.46x = 554,204.61 × 220,306.74
  4. Step 4: Simplify right side
    401,594.46x = 122,095,010,922.07
  5. Step 5: Solve for x
    x = 122,095,010,922.07/401,594.46
  6. Step 6: Final answer
    x = 304,025.64

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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.