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Finding the Fourth Proportional to 562.14, 774.77 and 430.92

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Solution

The fourth proportional to 562.14, 774.77 and 430.92 is: 593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.14 : 774.77 = 430.92 : x
  2. Step 2: Convert to fraction form
    562.14/774.77 = 430.92/x
  3. Step 3: Cross multiply
    562.14x = 774.77 × 430.92
  4. Step 4: Simplify right side
    562.14x = 333,861.73
  5. Step 5: Solve for x
    x = 333,861.73/562.14
  6. Step 6: Final answer
    x = 593.91

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Half scale
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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.