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Finding the Fourth Proportional to 368,439.01, 552,658.48 and 102,199.53

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Solution

The fourth proportional to 368,439.01, 552,658.48 and 102,199.53 is: 153,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,439.01 : 552,658.48 = 102,199.53 : x
  2. Step 2: Convert to fraction form
    368,439.01/552,658.48 = 102,199.53/x
  3. Step 3: Cross multiply
    368,439.01x = 552,658.48 × 102,199.53
  4. Step 4: Simplify right side
    368,439.01x = 56,481,438,723.48
  5. Step 5: Solve for x
    x = 56,481,438,723.48/368,439.01
  6. Step 6: Final answer
    x = 153,299.29

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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.