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Finding the Fourth Proportional to 467.46, 644.22 and 336.24

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Solution

The fourth proportional to 467.46, 644.22 and 336.24 is: 463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.46 : 644.22 = 336.24 : x
  2. Step 2: Convert to fraction form
    467.46/644.22 = 336.24/x
  3. Step 3: Cross multiply
    467.46x = 644.22 × 336.24
  4. Step 4: Simplify right side
    467.46x = 216,612.53
  5. Step 5: Solve for x
    x = 216,612.53/467.46
  6. Step 6: Final answer
    x = 463.38

Related Problems

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Double scale
Find fourth proportional to 468.46, 645.60 and 337.24
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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.