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Finding the Fourth Proportional to 636,101.57, 954,625.35 and 257,025.59

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Solution

The fourth proportional to 636,101.57, 954,625.35 and 257,025.59 is: 385,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,101.57 : 954,625.35 = 257,025.59 : x
  2. Step 2: Convert to fraction form
    636,101.57/954,625.35 = 257,025.59/x
  3. Step 3: Cross multiply
    636,101.57x = 954,625.35 × 257,025.59
  4. Step 4: Simplify right side
    636,101.57x = 245,363,143,812.71
  5. Step 5: Solve for x
    x = 245,363,143,812.71/636,101.57
  6. Step 6: Final answer
    x = 385,729.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.