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Finding the Fourth Proportional to 616,396, 850,626.48 and 333,772

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Solution

The fourth proportional to 616,396, 850,626.48 and 333,772 is: 460,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,396 : 850,626.48 = 333,772 : x
  2. Step 2: Convert to fraction form
    616,396/850,626.48 = 333,772/x
  3. Step 3: Cross multiply
    616,396x = 850,626.48 × 333,772
  4. Step 4: Simplify right side
    616,396x = 283,915,301,482.56
  5. Step 5: Solve for x
    x = 283,915,301,482.56/616,396
  6. Step 6: Final answer
    x = 460,605.36

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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.