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Finding the Fourth Proportional to 503,592.16, 694,868.80 and 302,392.48

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Solution

The fourth proportional to 503,592.16, 694,868.80 and 302,392.48 is: 417,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,592.16 : 694,868.80 = 302,392.48 : x
  2. Step 2: Convert to fraction form
    503,592.16/694,868.80 = 302,392.48/x
  3. Step 3: Cross multiply
    503,592.16x = 694,868.80 × 302,392.48
  4. Step 4: Simplify right side
    503,592.16x = 210,123,099,706.62
  5. Step 5: Solve for x
    x = 210,123,099,706.62/503,592.16
  6. Step 6: Final answer
    x = 417,248.55

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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.