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Finding the Fourth Proportional to 341,655.82, 471,488.56 and 188,697.85

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Solution

The fourth proportional to 341,655.82, 471,488.56 and 188,697.85 is: 260,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,655.82 : 471,488.56 = 188,697.85 : x
  2. Step 2: Convert to fraction form
    341,655.82/471,488.56 = 188,697.85/x
  3. Step 3: Cross multiply
    341,655.82x = 471,488.56 × 188,697.85
  4. Step 4: Simplify right side
    341,655.82x = 88,968,875,921.13
  5. Step 5: Solve for x
    x = 88,968,875,921.13/341,655.82
  6. Step 6: Final answer
    x = 260,404.98

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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.