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Finding the Fourth Proportional to 503,154.99, 694,403.01 and 375,609.15

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Solution

The fourth proportional to 503,154.99, 694,403.01 and 375,609.15 is: 518,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,154.99 : 694,403.01 = 375,609.15 : x
  2. Step 2: Convert to fraction form
    503,154.99/694,403.01 = 375,609.15/x
  3. Step 3: Cross multiply
    503,154.99x = 694,403.01 × 375,609.15
  4. Step 4: Simplify right side
    503,154.99x = 260,824,124,343.54
  5. Step 5: Solve for x
    x = 260,824,124,343.54/503,154.99
  6. Step 6: Final answer
    x = 518,377.30

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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.