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Finding the Fourth Proportional to 365,487.36, 548,092.80 and 155,224.32

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Solution

The fourth proportional to 365,487.36, 548,092.80 and 155,224.32 is: 232,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,487.36 : 548,092.80 = 155,224.32 : x
  2. Step 2: Convert to fraction form
    365,487.36/548,092.80 = 155,224.32/x
  3. Step 3: Cross multiply
    365,487.36x = 548,092.80 × 155,224.32
  4. Step 4: Simplify right side
    365,487.36x = 85,077,332,176.90
  5. Step 5: Solve for x
    x = 85,077,332,176.90/365,487.36
  6. Step 6: Final answer
    x = 232,777.77

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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.