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Finding the Fourth Proportional to 472,058.82, 707,248.63 and 271,965.75

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Solution

The fourth proportional to 472,058.82, 707,248.63 and 271,965.75 is: 407,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,058.82 : 707,248.63 = 271,965.75 : x
  2. Step 2: Convert to fraction form
    472,058.82/707,248.63 = 271,965.75/x
  3. Step 3: Cross multiply
    472,058.82x = 707,248.63 × 271,965.75
  4. Step 4: Simplify right side
    472,058.82x = 192,347,406,334.15
  5. Step 5: Solve for x
    x = 192,347,406,334.15/472,058.82
  6. Step 6: Final answer
    x = 407,464.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.