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Finding the Fourth Proportional to 714.62, 1,070.62 and 566.60

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Solution

The fourth proportional to 714.62, 1,070.62 and 566.60 is: 848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.62 : 1,070.62 = 566.60 : x
  2. Step 2: Convert to fraction form
    714.62/1,070.62 = 566.60/x
  3. Step 3: Cross multiply
    714.62x = 1,070.62 × 566.60
  4. Step 4: Simplify right side
    714.62x = 606,606.52
  5. Step 5: Solve for x
    x = 606,606.52/714.62
  6. Step 6: Final answer
    x = 848.85

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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.