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Finding the Fourth Proportional to 604,183.15, 906,274.68 and 287,680.51

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Solution

The fourth proportional to 604,183.15, 906,274.68 and 287,680.51 is: 431,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,183.15 : 906,274.68 = 287,680.51 : x
  2. Step 2: Convert to fraction form
    604,183.15/906,274.68 = 287,680.51/x
  3. Step 3: Cross multiply
    604,183.15x = 906,274.68 × 287,680.51
  4. Step 4: Simplify right side
    604,183.15x = 260,717,562,196.53
  5. Step 5: Solve for x
    x = 260,717,562,196.53/604,183.15
  6. Step 6: Final answer
    x = 431,520.74

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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.