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Finding the Fourth Proportional to 649,667.67, 896,569.20 and 363,187.68

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Solution

The fourth proportional to 649,667.67, 896,569.20 and 363,187.68 is: 501,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,667.67 : 896,569.20 = 363,187.68 : x
  2. Step 2: Convert to fraction form
    649,667.67/896,569.20 = 363,187.68/x
  3. Step 3: Cross multiply
    649,667.67x = 896,569.20 × 363,187.68
  4. Step 4: Simplify right side
    649,667.67x = 325,622,887,707.46
  5. Step 5: Solve for x
    x = 325,622,887,707.46/649,667.67
  6. Step 6: Final answer
    x = 501,214.55

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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.