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Finding the Fourth Proportional to 608,966.70, 913,363.65 and 188,285.10

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Solution

The fourth proportional to 608,966.70, 913,363.65 and 188,285.10 is: 282,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,966.70 : 913,363.65 = 188,285.10 : x
  2. Step 2: Convert to fraction form
    608,966.70/913,363.65 = 188,285.10/x
  3. Step 3: Cross multiply
    608,966.70x = 913,363.65 × 188,285.10
  4. Step 4: Simplify right side
    608,966.70x = 171,972,766,176.62
  5. Step 5: Solve for x
    x = 171,972,766,176.62/608,966.70
  6. Step 6: Final answer
    x = 282,400.94

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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.