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Finding the Fourth Proportional to 649,561.68, 896,396.22 and 363,081.51

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Solution

The fourth proportional to 649,561.68, 896,396.22 and 363,081.51 is: 501,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,561.68 : 896,396.22 = 363,081.51 : x
  2. Step 2: Convert to fraction form
    649,561.68/896,396.22 = 363,081.51/x
  3. Step 3: Cross multiply
    649,561.68x = 896,396.22 × 363,081.51
  4. Step 4: Simplify right side
    649,561.68x = 325,464,893,115.89
  5. Step 5: Solve for x
    x = 325,464,893,115.89/649,561.68
  6. Step 6: Final answer
    x = 501,053.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.