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Finding the Fourth Proportional to 366,843.70, 550,265.55 and 266,460.40

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Solution

The fourth proportional to 366,843.70, 550,265.55 and 266,460.40 is: 399,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,843.70 : 550,265.55 = 266,460.40 : x
  2. Step 2: Convert to fraction form
    366,843.70/550,265.55 = 266,460.40/x
  3. Step 3: Cross multiply
    366,843.70x = 550,265.55 × 266,460.40
  4. Step 4: Simplify right side
    366,843.70x = 146,623,978,559.22
  5. Step 5: Solve for x
    x = 146,623,978,559.22/366,843.70
  6. Step 6: Final answer
    x = 399,690.60

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1.5x scale

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.