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Finding the Fourth Proportional to 608,825.16, 913,228.02 and 209,469.38

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Solution

The fourth proportional to 608,825.16, 913,228.02 and 209,469.38 is: 314,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,825.16 : 913,228.02 = 209,469.38 : x
  2. Step 2: Convert to fraction form
    608,825.16/913,228.02 = 209,469.38/x
  3. Step 3: Cross multiply
    608,825.16x = 913,228.02 × 209,469.38
  4. Step 4: Simplify right side
    608,825.16x = 191,293,302,581.89
  5. Step 5: Solve for x
    x = 191,293,302,581.89/608,825.16
  6. Step 6: Final answer
    x = 314,200.72

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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.