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Finding the Fourth Proportional to 356,214.66, 534,284.64 and 187,667.15

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Solution

The fourth proportional to 356,214.66, 534,284.64 and 187,667.15 is: 281,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,214.66 : 534,284.64 = 187,667.15 : x
  2. Step 2: Convert to fraction form
    356,214.66/534,284.64 = 187,667.15/x
  3. Step 3: Cross multiply
    356,214.66x = 534,284.64 × 187,667.15
  4. Step 4: Simplify right side
    356,214.66x = 100,267,673,006.15
  5. Step 5: Solve for x
    x = 100,267,673,006.15/356,214.66
  6. Step 6: Final answer
    x = 281,481.04

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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.