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Finding the Fourth Proportional to 444,693.60, 667,477.80 and 220,307.40

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Solution

The fourth proportional to 444,693.60, 667,477.80 and 220,307.40 is: 330,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,693.60 : 667,477.80 = 220,307.40 : x
  2. Step 2: Convert to fraction form
    444,693.60/667,477.80 = 220,307.40/x
  3. Step 3: Cross multiply
    444,693.60x = 667,477.80 × 220,307.40
  4. Step 4: Simplify right side
    444,693.60x = 147,050,298,675.72
  5. Step 5: Solve for x
    x = 147,050,298,675.72/444,693.60
  6. Step 6: Final answer
    x = 330,677.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.