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Finding the Fourth Proportional to 754.83, 1,041.71 and 567.99

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Solution

The fourth proportional to 754.83, 1,041.71 and 567.99 is: 783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.83 : 1,041.71 = 567.99 : x
  2. Step 2: Convert to fraction form
    754.83/1,041.71 = 567.99/x
  3. Step 3: Cross multiply
    754.83x = 1,041.71 × 567.99
  4. Step 4: Simplify right side
    754.83x = 591,680.33
  5. Step 5: Solve for x
    x = 591,680.33/754.83
  6. Step 6: Final answer
    x = 783.86

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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.