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Finding the Fourth Proportional to 518,350.20, 777,256.50 and 237,625.72

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Solution

The fourth proportional to 518,350.20, 777,256.50 and 237,625.72 is: 356,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,350.20 : 777,256.50 = 237,625.72 : x
  2. Step 2: Convert to fraction form
    518,350.20/777,256.50 = 237,625.72/x
  3. Step 3: Cross multiply
    518,350.20x = 777,256.50 × 237,625.72
  4. Step 4: Simplify right side
    518,350.20x = 184,696,135,437.18
  5. Step 5: Solve for x
    x = 184,696,135,437.18/518,350.20
  6. Step 6: Final answer
    x = 356,315.35

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1.5x scale

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.