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Finding the Fourth Proportional to 360,026.81, 539,448.49 and 123,240.32

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Solution

The fourth proportional to 360,026.81, 539,448.49 and 123,240.32 is: 184,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,026.81 : 539,448.49 = 123,240.32 : x
  2. Step 2: Convert to fraction form
    360,026.81/539,448.49 = 123,240.32/x
  3. Step 3: Cross multiply
    360,026.81x = 539,448.49 × 123,240.32
  4. Step 4: Simplify right side
    360,026.81x = 66,481,801,525.77
  5. Step 5: Solve for x
    x = 66,481,801,525.77/360,026.81
  6. Step 6: Final answer
    x = 184,657.92

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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.