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Finding the Fourth Proportional to 452,728.24, 624,784.68 and 251,524.24

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Solution

The fourth proportional to 452,728.24, 624,784.68 and 251,524.24 is: 347,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,728.24 : 624,784.68 = 251,524.24 : x
  2. Step 2: Convert to fraction form
    452,728.24/624,784.68 = 251,524.24/x
  3. Step 3: Cross multiply
    452,728.24x = 624,784.68 × 251,524.24
  4. Step 4: Simplify right side
    452,728.24x = 157,148,491,800.64
  5. Step 5: Solve for x
    x = 157,148,491,800.64/452,728.24
  6. Step 6: Final answer
    x = 347,114.40

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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.