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Finding the Fourth Proportional to 569.92, 786.48 and 334

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Solution

The fourth proportional to 569.92, 786.48 and 334 is: 460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.92 : 786.48 = 334 : x
  2. Step 2: Convert to fraction form
    569.92/786.48 = 334/x
  3. Step 3: Cross multiply
    569.92x = 786.48 × 334
  4. Step 4: Simplify right side
    569.92x = 262,684.32
  5. Step 5: Solve for x
    x = 262,684.32/569.92
  6. Step 6: Final answer
    x = 460.91

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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.