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Finding the Fourth Proportional to 608,700.96, 913,166.19 and 187,878.42

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Solution

The fourth proportional to 608,700.96, 913,166.19 and 187,878.42 is: 281,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,700.96 : 913,166.19 = 187,878.42 : x
  2. Step 2: Convert to fraction form
    608,700.96/913,166.19 = 187,878.42/x
  3. Step 3: Cross multiply
    608,700.96x = 913,166.19 × 187,878.42
  4. Step 4: Simplify right side
    608,700.96x = 171,564,220,974.62
  5. Step 5: Solve for x
    x = 171,564,220,974.62/608,700.96
  6. Step 6: Final answer
    x = 281,853.05

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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.