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Finding the Fourth Proportional to 658,108, 987,162.14 and 237,383.83

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Solution

The fourth proportional to 658,108, 987,162.14 and 237,383.83 is: 356,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,108 : 987,162.14 = 237,383.83 : x
  2. Step 2: Convert to fraction form
    658,108/987,162.14 = 237,383.83/x
  3. Step 3: Cross multiply
    658,108x = 987,162.14 × 237,383.83
  4. Step 4: Simplify right side
    658,108x = 234,336,329,624.20
  5. Step 5: Solve for x
    x = 234,336,329,624.20/658,108
  6. Step 6: Final answer
    x = 356,075.80

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1.5x scale

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.