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Finding the Fourth Proportional to 670.04, 1,003.23 and 566.76

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Solution

The fourth proportional to 670.04, 1,003.23 and 566.76 is: 848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.04 : 1,003.23 = 566.76 : x
  2. Step 2: Convert to fraction form
    670.04/1,003.23 = 566.76/x
  3. Step 3: Cross multiply
    670.04x = 1,003.23 × 566.76
  4. Step 4: Simplify right side
    670.04x = 568,590.63
  5. Step 5: Solve for x
    x = 568,590.63/670.04
  6. Step 6: Final answer
    x = 848.60

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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.