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Finding the Fourth Proportional to 360,250.53, 540,386.73 and 123,589.77

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Solution

The fourth proportional to 360,250.53, 540,386.73 and 123,589.77 is: 185,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,250.53 : 540,386.73 = 123,589.77 : x
  2. Step 2: Convert to fraction form
    360,250.53/540,386.73 = 123,589.77/x
  3. Step 3: Cross multiply
    360,250.53x = 540,386.73 × 123,589.77
  4. Step 4: Simplify right side
    360,250.53x = 66,786,271,671.75
  5. Step 5: Solve for x
    x = 66,786,271,671.75/360,250.53
  6. Step 6: Final answer
    x = 185,388.41

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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.