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Finding the Fourth Proportional to 360,484.43, 540,763.29 and 123,796.35

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Solution

The fourth proportional to 360,484.43, 540,763.29 and 123,796.35 is: 185,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,484.43 : 540,763.29 = 123,796.35 : x
  2. Step 2: Convert to fraction form
    360,484.43/540,763.29 = 123,796.35/x
  3. Step 3: Cross multiply
    360,484.43x = 540,763.29 × 123,796.35
  4. Step 4: Simplify right side
    360,484.43x = 66,944,521,515.99
  5. Step 5: Solve for x
    x = 66,944,521,515.99/360,484.43
  6. Step 6: Final answer
    x = 185,707.11

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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.