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Finding the Fourth Proportional to 519,025.84, 778,261.26 and 266,203.16

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Solution

The fourth proportional to 519,025.84, 778,261.26 and 266,203.16 is: 399,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,025.84 : 778,261.26 = 266,203.16 : x
  2. Step 2: Convert to fraction form
    519,025.84/778,261.26 = 266,203.16/x
  3. Step 3: Cross multiply
    519,025.84x = 778,261.26 × 266,203.16
  4. Step 4: Simplify right side
    519,025.84x = 207,175,606,717.58
  5. Step 5: Solve for x
    x = 207,175,606,717.58/519,025.84
  6. Step 6: Final answer
    x = 399,162.41

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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.