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Finding the Fourth Proportional to 352,074.67, 527,878.69 and 127,405.88

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Solution

The fourth proportional to 352,074.67, 527,878.69 and 127,405.88 is: 191,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,074.67 : 527,878.69 = 127,405.88 : x
  2. Step 2: Convert to fraction form
    352,074.67/527,878.69 = 127,405.88/x
  3. Step 3: Cross multiply
    352,074.67x = 527,878.69 × 127,405.88
  4. Step 4: Simplify right side
    352,074.67x = 67,254,848,054.33
  5. Step 5: Solve for x
    x = 67,254,848,054.33/352,074.67
  6. Step 6: Final answer
    x = 191,024.39

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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.