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Finding the Fourth Proportional to 452,867.12, 624,861.24 and 251,658.80

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Solution

The fourth proportional to 452,867.12, 624,861.24 and 251,658.80 is: 347,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,867.12 : 624,861.24 = 251,658.80 : x
  2. Step 2: Convert to fraction form
    452,867.12/624,861.24 = 251,658.80/x
  3. Step 3: Cross multiply
    452,867.12x = 624,861.24 × 251,658.80
  4. Step 4: Simplify right side
    452,867.12x = 157,251,829,824.91
  5. Step 5: Solve for x
    x = 157,251,829,824.91/452,867.12
  6. Step 6: Final answer
    x = 347,236.14

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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.