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Finding the Fourth Proportional to 735.26, 1,014.64 and 424.76

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Solution

The fourth proportional to 735.26, 1,014.64 and 424.76 is: 586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.26 : 1,014.64 = 424.76 : x
  2. Step 2: Convert to fraction form
    735.26/1,014.64 = 424.76/x
  3. Step 3: Cross multiply
    735.26x = 1,014.64 × 424.76
  4. Step 4: Simplify right side
    735.26x = 430,978.49
  5. Step 5: Solve for x
    x = 430,978.49/735.26
  6. Step 6: Final answer
    x = 586.16

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Double scale
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1.5x scale

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.