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Finding the Fourth Proportional to 336,039.68, 463,734.50 and 185,136.68

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Solution

The fourth proportional to 336,039.68, 463,734.50 and 185,136.68 is: 255,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,039.68 : 463,734.50 = 185,136.68 : x
  2. Step 2: Convert to fraction form
    336,039.68/463,734.50 = 185,136.68/x
  3. Step 3: Cross multiply
    336,039.68x = 463,734.50 × 185,136.68
  4. Step 4: Simplify right side
    336,039.68x = 85,854,265,731.46
  5. Step 5: Solve for x
    x = 85,854,265,731.46/336,039.68
  6. Step 6: Final answer
    x = 255,488.48

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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.