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Finding the Fourth Proportional to 317,160.51, 474,749.33 and 204,690.39

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Solution

The fourth proportional to 317,160.51, 474,749.33 and 204,690.39 is: 306,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,160.51 : 474,749.33 = 204,690.39 : x
  2. Step 2: Convert to fraction form
    317,160.51/474,749.33 = 204,690.39/x
  3. Step 3: Cross multiply
    317,160.51x = 474,749.33 × 204,690.39
  4. Step 4: Simplify right side
    317,160.51x = 97,176,624,486.49
  5. Step 5: Solve for x
    x = 97,176,624,486.49/317,160.51
  6. Step 6: Final answer
    x = 306,395.73

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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.