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Finding the Fourth Proportional to 451,658.53, 623,288.77 and 250,454.53

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Solution

The fourth proportional to 451,658.53, 623,288.77 and 250,454.53 is: 345,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,658.53 : 623,288.77 = 250,454.53 : x
  2. Step 2: Convert to fraction form
    451,658.53/623,288.77 = 250,454.53/x
  3. Step 3: Cross multiply
    451,658.53x = 623,288.77 × 250,454.53
  4. Step 4: Simplify right side
    451,658.53x = 156,105,497,506.41
  5. Step 5: Solve for x
    x = 156,105,497,506.41/451,658.53
  6. Step 6: Final answer
    x = 345,627.25

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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.