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Finding the Fourth Proportional to 317,898, 438,757.56 and 183,762

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Solution

The fourth proportional to 317,898, 438,757.56 and 183,762 is: 253,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,898 : 438,757.56 = 183,762 : x
  2. Step 2: Convert to fraction form
    317,898/438,757.56 = 183,762/x
  3. Step 3: Cross multiply
    317,898x = 438,757.56 × 183,762
  4. Step 4: Simplify right side
    317,898x = 80,626,966,740.72
  5. Step 5: Solve for x
    x = 80,626,966,740.72/317,898
  6. Step 6: Final answer
    x = 253,625.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.