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Finding the Fourth Proportional to 323,058.40, 484,414.80 and 112,703.20

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Solution

The fourth proportional to 323,058.40, 484,414.80 and 112,703.20 is: 168,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,058.40 : 484,414.80 = 112,703.20 : x
  2. Step 2: Convert to fraction form
    323,058.40/484,414.80 = 112,703.20/x
  3. Step 3: Cross multiply
    323,058.40x = 484,414.80 × 112,703.20
  4. Step 4: Simplify right side
    323,058.40x = 54,595,098,087.36
  5. Step 5: Solve for x
    x = 54,595,098,087.36/323,058.40
  6. Step 6: Final answer
    x = 168,994.52

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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.