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Finding the Fourth Proportional to 607.24, 837.28 and 374.16

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Solution

The fourth proportional to 607.24, 837.28 and 374.16 is: 515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.24 : 837.28 = 374.16 : x
  2. Step 2: Convert to fraction form
    607.24/837.28 = 374.16/x
  3. Step 3: Cross multiply
    607.24x = 837.28 × 374.16
  4. Step 4: Simplify right side
    607.24x = 313,276.68
  5. Step 5: Solve for x
    x = 313,276.68/607.24
  6. Step 6: Final answer
    x = 515.90

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Half scale
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Double scale
Find fourth proportional to 608.24, 838.66 and 375.16
Similar ratio
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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.