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Finding the Fourth Proportional to 596.72, 823.52 and 348.12

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Solution

The fourth proportional to 596.72, 823.52 and 348.12 is: 480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.72 : 823.52 = 348.12 : x
  2. Step 2: Convert to fraction form
    596.72/823.52 = 348.12/x
  3. Step 3: Cross multiply
    596.72x = 823.52 × 348.12
  4. Step 4: Simplify right side
    596.72x = 286,683.78
  5. Step 5: Solve for x
    x = 286,683.78/596.72
  6. Step 6: Final answer
    x = 480.43

Related Problems

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Half scale
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Double scale
Find fourth proportional to 597.72, 824.90 and 349.12
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.