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Finding the Fourth Proportional to 365,555.52, 548,344.08 and 99,314.64

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Solution

The fourth proportional to 365,555.52, 548,344.08 and 99,314.64 is: 148,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,555.52 : 548,344.08 = 99,314.64 : x
  2. Step 2: Convert to fraction form
    365,555.52/548,344.08 = 99,314.64/x
  3. Step 3: Cross multiply
    365,555.52x = 548,344.08 × 99,314.64
  4. Step 4: Simplify right side
    365,555.52x = 54,458,594,901.33
  5. Step 5: Solve for x
    x = 54,458,594,901.33/365,555.52
  6. Step 6: Final answer
    x = 148,974.89

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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.