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Finding the Fourth Proportional to 538,611.30, 806,750.55 and 468,627.30

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Solution

The fourth proportional to 538,611.30, 806,750.55 and 468,627.30 is: 701,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,611.30 : 806,750.55 = 468,627.30 : x
  2. Step 2: Convert to fraction form
    538,611.30/806,750.55 = 468,627.30/x
  3. Step 3: Cross multiply
    538,611.30x = 806,750.55 × 468,627.30
  4. Step 4: Simplify right side
    538,611.30x = 378,065,332,020.02
  5. Step 5: Solve for x
    x = 378,065,332,020.02/538,611.30
  6. Step 6: Final answer
    x = 701,926.11

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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.