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Finding the Fourth Proportional to 510,302.22, 765,425.17 and 155,288.53

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Solution

The fourth proportional to 510,302.22, 765,425.17 and 155,288.53 is: 232,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,302.22 : 765,425.17 = 155,288.53 : x
  2. Step 2: Convert to fraction form
    510,302.22/765,425.17 = 155,288.53/x
  3. Step 3: Cross multiply
    510,302.22x = 765,425.17 × 155,288.53
  4. Step 4: Simplify right side
    510,302.22x = 118,861,749,474.30
  5. Step 5: Solve for x
    x = 118,861,749,474.30/510,302.22
  6. Step 6: Final answer
    x = 232,924.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.