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Finding the Fourth Proportional to 603,219.87, 904,691.92 and 360,129.69

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Solution

The fourth proportional to 603,219.87, 904,691.92 and 360,129.69 is: 540,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,219.87 : 904,691.92 = 360,129.69 : x
  2. Step 2: Convert to fraction form
    603,219.87/904,691.92 = 360,129.69/x
  3. Step 3: Cross multiply
    603,219.87x = 904,691.92 × 360,129.69
  4. Step 4: Simplify right side
    603,219.87x = 325,806,418,894.46
  5. Step 5: Solve for x
    x = 325,806,418,894.46/603,219.87
  6. Step 6: Final answer
    x = 540,112.22

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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.