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Finding the Fourth Proportional to 365,866.80, 548,809.83 and 99,632.76

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Solution

The fourth proportional to 365,866.80, 548,809.83 and 99,632.76 is: 149,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,866.80 : 548,809.83 = 99,632.76 : x
  2. Step 2: Convert to fraction form
    365,866.80/548,809.83 = 99,632.76/x
  3. Step 3: Cross multiply
    365,866.80x = 548,809.83 × 99,632.76
  4. Step 4: Simplify right side
    365,866.80x = 54,679,438,078.03
  5. Step 5: Solve for x
    x = 54,679,438,078.03/365,866.80
  6. Step 6: Final answer
    x = 149,451.76

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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.