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Finding the Fourth Proportional to 365,646.56, 548,013.20 and 252,424.89

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Solution

The fourth proportional to 365,646.56, 548,013.20 and 252,424.89 is: 378,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,646.56 : 548,013.20 = 252,424.89 : x
  2. Step 2: Convert to fraction form
    365,646.56/548,013.20 = 252,424.89/x
  3. Step 3: Cross multiply
    365,646.56x = 548,013.20 × 252,424.89
  4. Step 4: Simplify right side
    365,646.56x = 138,332,170,466.42
  5. Step 5: Solve for x
    x = 138,332,170,466.42/365,646.56
  6. Step 6: Final answer
    x = 378,322.09

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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.