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Finding the Fourth Proportional to 846.42, 1,168.53 and 567.03

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Solution

The fourth proportional to 846.42, 1,168.53 and 567.03 is: 782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.42 : 1,168.53 = 567.03 : x
  2. Step 2: Convert to fraction form
    846.42/1,168.53 = 567.03/x
  3. Step 3: Cross multiply
    846.42x = 1,168.53 × 567.03
  4. Step 4: Simplify right side
    846.42x = 662,591.57
  5. Step 5: Solve for x
    x = 662,591.57/846.42
  6. Step 6: Final answer
    x = 782.82

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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.