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Finding the Fourth Proportional to 452,336.96, 624,200.64 and 251,120

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Solution

The fourth proportional to 452,336.96, 624,200.64 and 251,120 is: 346,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,336.96 : 624,200.64 = 251,120 : x
  2. Step 2: Convert to fraction form
    452,336.96/624,200.64 = 251,120/x
  3. Step 3: Cross multiply
    452,336.96x = 624,200.64 × 251,120
  4. Step 4: Simplify right side
    452,336.96x = 156,749,264,716.80
  5. Step 5: Solve for x
    x = 156,749,264,716.80/452,336.96
  6. Step 6: Final answer
    x = 346,532.07

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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.