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Finding the Fourth Proportional to 562.16, 776.77 and 432.29

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Solution

The fourth proportional to 562.16, 776.77 and 432.29 is: 597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.16 : 776.77 = 432.29 : x
  2. Step 2: Convert to fraction form
    562.16/776.77 = 432.29/x
  3. Step 3: Cross multiply
    562.16x = 776.77 × 432.29
  4. Step 4: Simplify right side
    562.16x = 335,784.94
  5. Step 5: Solve for x
    x = 335,784.94/562.16
  6. Step 6: Final answer
    x = 597.32

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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.