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Finding the Fourth Proportional to 663,228.84, 995,053.55 and 236,755.53

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Solution

The fourth proportional to 663,228.84, 995,053.55 and 236,755.53 is: 355,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,228.84 : 995,053.55 = 236,755.53 : x
  2. Step 2: Convert to fraction form
    663,228.84/995,053.55 = 236,755.53/x
  3. Step 3: Cross multiply
    663,228.84x = 995,053.55 × 236,755.53
  4. Step 4: Simplify right side
    663,228.84x = 235,584,429,424.85
  5. Step 5: Solve for x
    x = 235,584,429,424.85/663,228.84
  6. Step 6: Final answer
    x = 355,208.36

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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.