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Finding the Fourth Proportional to 572.16, 789.58 and 336.24

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Solution

The fourth proportional to 572.16, 789.58 and 336.24 is: 464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.16 : 789.58 = 336.24 : x
  2. Step 2: Convert to fraction form
    572.16/789.58 = 336.24/x
  3. Step 3: Cross multiply
    572.16x = 789.58 × 336.24
  4. Step 4: Simplify right side
    572.16x = 265,488.38
  5. Step 5: Solve for x
    x = 265,488.38/572.16
  6. Step 6: Final answer
    x = 464.01

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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.