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Finding the Fourth Proportional to 359,949.24, 540,023.99 and 157,509.27

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Solution

The fourth proportional to 359,949.24, 540,023.99 and 157,509.27 is: 236,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,949.24 : 540,023.99 = 157,509.27 : x
  2. Step 2: Convert to fraction form
    359,949.24/540,023.99 = 157,509.27/x
  3. Step 3: Cross multiply
    359,949.24x = 540,023.99 × 157,509.27
  4. Step 4: Simplify right side
    359,949.24x = 85,058,783,659.84
  5. Step 5: Solve for x
    x = 85,058,783,659.84/359,949.24
  6. Step 6: Final answer
    x = 236,307.72

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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.