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Finding the Fourth Proportional to 637,306.99, 955,960.52 and 237,978.95

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Solution

The fourth proportional to 637,306.99, 955,960.52 and 237,978.95 is: 356,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,306.99 : 955,960.52 = 237,978.95 : x
  2. Step 2: Convert to fraction form
    637,306.99/955,960.52 = 237,978.95/x
  3. Step 3: Cross multiply
    637,306.99x = 955,960.52 × 237,978.95
  4. Step 4: Simplify right side
    637,306.99x = 227,498,474,821.36
  5. Step 5: Solve for x
    x = 227,498,474,821.36/637,306.99
  6. Step 6: Final answer
    x = 356,968.43

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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.