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Finding the Fourth Proportional to 503,702.62, 694,885.03 and 340,306.58

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Solution

The fourth proportional to 503,702.62, 694,885.03 and 340,306.58 is: 469,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,702.62 : 694,885.03 = 340,306.58 : x
  2. Step 2: Convert to fraction form
    503,702.62/694,885.03 = 340,306.58/x
  3. Step 3: Cross multiply
    503,702.62x = 694,885.03 × 340,306.58
  4. Step 4: Simplify right side
    503,702.62x = 236,473,948,938.94
  5. Step 5: Solve for x
    x = 236,473,948,938.94/503,702.62
  6. Step 6: Final answer
    x = 469,471.35

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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.