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Finding the Fourth Proportional to 613,486.94, 846,551.67 and 358,788.38

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Solution

The fourth proportional to 613,486.94, 846,551.67 and 358,788.38 is: 495,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,486.94 : 846,551.67 = 358,788.38 : x
  2. Step 2: Convert to fraction form
    613,486.94/846,551.67 = 358,788.38/x
  3. Step 3: Cross multiply
    613,486.94x = 846,551.67 × 358,788.38
  4. Step 4: Simplify right side
    613,486.94x = 303,732,902,265.60
  5. Step 5: Solve for x
    x = 303,732,902,265.60/613,486.94
  6. Step 6: Final answer
    x = 495,092.69

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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.