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Finding the Fourth Proportional to 291,497.82, 436,259.14 and 179,249.13

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Solution

The fourth proportional to 291,497.82, 436,259.14 and 179,249.13 is: 268,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,497.82 : 436,259.14 = 179,249.13 : x
  2. Step 2: Convert to fraction form
    291,497.82/436,259.14 = 179,249.13/x
  3. Step 3: Cross multiply
    291,497.82x = 436,259.14 × 179,249.13
  4. Step 4: Simplify right side
    291,497.82x = 78,199,071,299.55
  5. Step 5: Solve for x
    x = 78,199,071,299.55/291,497.82
  6. Step 6: Final answer
    x = 268,266.40

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1.5x scale

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.