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Finding the Fourth Proportional to 368,809.80, 553,214.70 and 244,150.80

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Solution

The fourth proportional to 368,809.80, 553,214.70 and 244,150.80 is: 366,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,809.80 : 553,214.70 = 244,150.80 : x
  2. Step 2: Convert to fraction form
    368,809.80/553,214.70 = 244,150.80/x
  3. Step 3: Cross multiply
    368,809.80x = 553,214.70 × 244,150.80
  4. Step 4: Simplify right side
    368,809.80x = 135,067,811,576.76
  5. Step 5: Solve for x
    x = 135,067,811,576.76/368,809.80
  6. Step 6: Final answer
    x = 366,226.20

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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.