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Finding the Fourth Proportional to 352,952.95, 487,068.67 and 191,808.56

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Solution

The fourth proportional to 352,952.95, 487,068.67 and 191,808.56 is: 264,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,952.95 : 487,068.67 = 191,808.56 : x
  2. Step 2: Convert to fraction form
    352,952.95/487,068.67 = 191,808.56/x
  3. Step 3: Cross multiply
    352,952.95x = 487,068.67 × 191,808.56
  4. Step 4: Simplify right side
    352,952.95x = 93,423,940,213.82
  5. Step 5: Solve for x
    x = 93,423,940,213.82/352,952.95
  6. Step 6: Final answer
    x = 264,692.33

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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.