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Finding the Fourth Proportional to 719,548.04, 993,092.98 and 417,917

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Solution

The fourth proportional to 719,548.04, 993,092.98 and 417,917 is: 576,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,548.04 : 993,092.98 = 417,917 : x
  2. Step 2: Convert to fraction form
    719,548.04/993,092.98 = 417,917/x
  3. Step 3: Cross multiply
    719,548.04x = 993,092.98 × 417,917
  4. Step 4: Simplify right side
    719,548.04x = 415,030,438,922.66
  5. Step 5: Solve for x
    x = 415,030,438,922.66/719,548.04
  6. Step 6: Final answer
    x = 576,793.23

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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.