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Finding the Fourth Proportional to 370,092.56, 510,463.64 and 255,414.65

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Solution

The fourth proportional to 370,092.56, 510,463.64 and 255,414.65 is: 352,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,092.56 : 510,463.64 = 255,414.65 : x
  2. Step 2: Convert to fraction form
    370,092.56/510,463.64 = 255,414.65/x
  3. Step 3: Cross multiply
    370,092.56x = 510,463.64 × 255,414.65
  4. Step 4: Simplify right side
    370,092.56x = 130,379,890,671.25
  5. Step 5: Solve for x
    x = 130,379,890,671.25/370,092.56
  6. Step 6: Final answer
    x = 352,289.95

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1.5x scale

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.