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Finding the Fourth Proportional to 562,654.56, 776,464.62 and 308,022.15

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Solution

The fourth proportional to 562,654.56, 776,464.62 and 308,022.15 is: 425,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,654.56 : 776,464.62 = 308,022.15 : x
  2. Step 2: Convert to fraction form
    562,654.56/776,464.62 = 308,022.15/x
  3. Step 3: Cross multiply
    562,654.56x = 776,464.62 × 308,022.15
  4. Step 4: Simplify right side
    562,654.56x = 239,168,301,651.33
  5. Step 5: Solve for x
    x = 239,168,301,651.33/562,654.56
  6. Step 6: Final answer
    x = 425,071.29

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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.