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Finding the Fourth Proportional to 519,025.34, 778,260.51 and 266,202.68

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Solution

The fourth proportional to 519,025.34, 778,260.51 and 266,202.68 is: 399,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,025.34 : 778,260.51 = 266,202.68 : x
  2. Step 2: Convert to fraction form
    519,025.34/778,260.51 = 266,202.68/x
  3. Step 3: Cross multiply
    519,025.34x = 778,260.51 × 266,202.68
  4. Step 4: Simplify right side
    519,025.34x = 207,175,029,608.86
  5. Step 5: Solve for x
    x = 207,175,029,608.86/519,025.34
  6. Step 6: Final answer
    x = 399,161.69

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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.