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Finding the Fourth Proportional to 503,703.62, 694,886.41 and 340,307.58

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Solution

The fourth proportional to 503,703.62, 694,886.41 and 340,307.58 is: 469,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,703.62 : 694,886.41 = 340,307.58 : x
  2. Step 2: Convert to fraction form
    503,703.62/694,886.41 = 340,307.58/x
  3. Step 3: Cross multiply
    503,703.62x = 694,886.41 × 340,307.58
  4. Step 4: Simplify right side
    503,703.62x = 236,475,112,561.99
  5. Step 5: Solve for x
    x = 236,475,112,561.99/503,703.62
  6. Step 6: Final answer
    x = 469,472.73

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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.