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Finding the Fourth Proportional to 508,396.95, 700,949.43 and 372,194.43

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Solution

The fourth proportional to 508,396.95, 700,949.43 and 372,194.43 is: 513,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,396.95 : 700,949.43 = 372,194.43 : x
  2. Step 2: Convert to fraction form
    508,396.95/700,949.43 = 372,194.43/x
  3. Step 3: Cross multiply
    508,396.95x = 700,949.43 × 372,194.43
  4. Step 4: Simplify right side
    508,396.95x = 260,889,473,557.68
  5. Step 5: Solve for x
    x = 260,889,473,557.68/508,396.95
  6. Step 6: Final answer
    x = 513,160.97

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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.