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Finding the Fourth Proportional to 365,576.80, 548,376.42 and 99,342.94

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Solution

The fourth proportional to 365,576.80, 548,376.42 and 99,342.94 is: 149,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,576.80 : 548,376.42 = 99,342.94 : x
  2. Step 2: Convert to fraction form
    365,576.80/548,376.42 = 99,342.94/x
  3. Step 3: Cross multiply
    365,576.80x = 548,376.42 × 99,342.94
  4. Step 4: Simplify right side
    365,576.80x = 54,477,325,789.47
  5. Step 5: Solve for x
    x = 54,477,325,789.47/365,576.80
  6. Step 6: Final answer
    x = 149,017.46

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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.