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Finding the Fourth Proportional to 576,417.75, 795,463.03 and 318,294.34

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Solution

The fourth proportional to 576,417.75, 795,463.03 and 318,294.34 is: 439,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,417.75 : 795,463.03 = 318,294.34 : x
  2. Step 2: Convert to fraction form
    576,417.75/795,463.03 = 318,294.34/x
  3. Step 3: Cross multiply
    576,417.75x = 795,463.03 × 318,294.34
  4. Step 4: Simplify right side
    576,417.75x = 253,191,381,221.53
  5. Step 5: Solve for x
    x = 253,191,381,221.53/576,417.75
  6. Step 6: Final answer
    x = 439,249.80

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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.