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Finding the Fourth Proportional to 577,992.64, 797,641.32 and 348,548.80

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Solution

The fourth proportional to 577,992.64, 797,641.32 and 348,548.80 is: 481,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,992.64 : 797,641.32 = 348,548.80 : x
  2. Step 2: Convert to fraction form
    577,992.64/797,641.32 = 348,548.80/x
  3. Step 3: Cross multiply
    577,992.64x = 797,641.32 × 348,548.80
  4. Step 4: Simplify right side
    577,992.64x = 278,016,924,916.42
  5. Step 5: Solve for x
    x = 278,016,924,916.42/577,992.64
  6. Step 6: Final answer
    x = 481,004.26

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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.