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Finding the Fourth Proportional to 451,710.94, 623,345.43 and 250,525.66

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Solution

The fourth proportional to 451,710.94, 623,345.43 and 250,525.66 is: 345,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,710.94 : 623,345.43 = 250,525.66 : x
  2. Step 2: Convert to fraction form
    451,710.94/623,345.43 = 250,525.66/x
  3. Step 3: Cross multiply
    451,710.94x = 623,345.43 × 250,525.66
  4. Step 4: Simplify right side
    451,710.94x = 156,164,025,258.73
  5. Step 5: Solve for x
    x = 156,164,025,258.73/451,710.94
  6. Step 6: Final answer
    x = 345,716.72

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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.