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Finding the Fourth Proportional to 562.65, 776.69 and 341.67

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Solution

The fourth proportional to 562.65, 776.69 and 341.67 is: 471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.65 : 776.69 = 341.67 : x
  2. Step 2: Convert to fraction form
    562.65/776.69 = 341.67/x
  3. Step 3: Cross multiply
    562.65x = 776.69 × 341.67
  4. Step 4: Simplify right side
    562.65x = 265,369.79
  5. Step 5: Solve for x
    x = 265,369.79/562.65
  6. Step 6: Final answer
    x = 471.65

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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.