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Finding the Fourth Proportional to 366,870.80, 550,306.20 and 334,211.60

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Solution

The fourth proportional to 366,870.80, 550,306.20 and 334,211.60 is: 501,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,870.80 : 550,306.20 = 334,211.60 : x
  2. Step 2: Convert to fraction form
    366,870.80/550,306.20 = 334,211.60/x
  3. Step 3: Cross multiply
    366,870.80x = 550,306.20 × 334,211.60
  4. Step 4: Simplify right side
    366,870.80x = 183,918,715,591.92
  5. Step 5: Solve for x
    x = 183,918,715,591.92/366,870.80
  6. Step 6: Final answer
    x = 501,317.40

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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.