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Finding the Fourth Proportional to 508,102.69, 701,131.18 and 293,311.95

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Solution

The fourth proportional to 508,102.69, 701,131.18 and 293,311.95 is: 404,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,102.69 : 701,131.18 = 293,311.95 : x
  2. Step 2: Convert to fraction form
    508,102.69/701,131.18 = 293,311.95/x
  3. Step 3: Cross multiply
    508,102.69x = 701,131.18 × 293,311.95
  4. Step 4: Simplify right side
    508,102.69x = 205,650,152,145.04
  5. Step 5: Solve for x
    x = 205,650,152,145.04/508,102.69
  6. Step 6: Final answer
    x = 404,741.32

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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.