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Finding the Fourth Proportional to 467,321.81, 644,904.77 and 252,461.95

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Solution

The fourth proportional to 467,321.81, 644,904.77 and 252,461.95 is: 348,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,321.81 : 644,904.77 = 252,461.95 : x
  2. Step 2: Convert to fraction form
    467,321.81/644,904.77 = 252,461.95/x
  3. Step 3: Cross multiply
    467,321.81x = 644,904.77 × 252,461.95
  4. Step 4: Simplify right side
    467,321.81x = 162,813,912,923.93
  5. Step 5: Solve for x
    x = 162,813,912,923.93/467,321.81
  6. Step 6: Final answer
    x = 348,397.85

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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.