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Finding the Fourth Proportional to 472.86, 652.77 and 368.24

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Solution

The fourth proportional to 472.86, 652.77 and 368.24 is: 508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.86 : 652.77 = 368.24 : x
  2. Step 2: Convert to fraction form
    472.86/652.77 = 368.24/x
  3. Step 3: Cross multiply
    472.86x = 652.77 × 368.24
  4. Step 4: Simplify right side
    472.86x = 240,376.02
  5. Step 5: Solve for x
    x = 240,376.02/472.86
  6. Step 6: Final answer
    x = 508.35

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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.