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Finding the Fourth Proportional to 360,406.24, 539,270.16 and 226,661.92

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Solution

The fourth proportional to 360,406.24, 539,270.16 and 226,661.92 is: 339,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,406.24 : 539,270.16 = 226,661.92 : x
  2. Step 2: Convert to fraction form
    360,406.24/539,270.16 = 226,661.92/x
  3. Step 3: Cross multiply
    360,406.24x = 539,270.16 × 226,661.92
  4. Step 4: Simplify right side
    360,406.24x = 122,232,009,864.31
  5. Step 5: Solve for x
    x = 122,232,009,864.31/360,406.24
  6. Step 6: Final answer
    x = 339,150.65

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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.