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Finding the Fourth Proportional to 482,590.12, 665,992.14 and 291,566.56

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Solution

The fourth proportional to 482,590.12, 665,992.14 and 291,566.56 is: 402,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,590.12 : 665,992.14 = 291,566.56 : x
  2. Step 2: Convert to fraction form
    482,590.12/665,992.14 = 291,566.56/x
  3. Step 3: Cross multiply
    482,590.12x = 665,992.14 × 291,566.56
  4. Step 4: Simplify right side
    482,590.12x = 194,181,037,246.84
  5. Step 5: Solve for x
    x = 194,181,037,246.84/482,590.12
  6. Step 6: Final answer
    x = 402,372.59

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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.