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Finding the Fourth Proportional to 503,281.40, 694,522.44 and 374,794.88

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Solution

The fourth proportional to 503,281.40, 694,522.44 and 374,794.88 is: 517,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,281.40 : 694,522.44 = 374,794.88 : x
  2. Step 2: Convert to fraction form
    503,281.40/694,522.44 = 374,794.88/x
  3. Step 3: Cross multiply
    503,281.40x = 694,522.44 × 374,794.88
  4. Step 4: Simplify right side
    503,281.40x = 260,303,454,557.11
  5. Step 5: Solve for x
    x = 260,303,454,557.11/503,281.40
  6. Step 6: Final answer
    x = 517,212.55

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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.