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Finding the Fourth Proportional to 472.95, 652.65 and 265.95

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Solution

The fourth proportional to 472.95, 652.65 and 265.95 is: 367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.95 : 652.65 = 265.95 : x
  2. Step 2: Convert to fraction form
    472.95/652.65 = 265.95/x
  3. Step 3: Cross multiply
    472.95x = 652.65 × 265.95
  4. Step 4: Simplify right side
    472.95x = 173,572.27
  5. Step 5: Solve for x
    x = 173,572.27/472.95
  6. Step 6: Final answer
    x = 367.00

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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.