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Finding the Fourth Proportional to 436.24, 602.16 and 297.07

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Solution

The fourth proportional to 436.24, 602.16 and 297.07 is: 410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.24 : 602.16 = 297.07 : x
  2. Step 2: Convert to fraction form
    436.24/602.16 = 297.07/x
  3. Step 3: Cross multiply
    436.24x = 602.16 × 297.07
  4. Step 4: Simplify right side
    436.24x = 178,883.67
  5. Step 5: Solve for x
    x = 178,883.67/436.24
  6. Step 6: Final answer
    x = 410.06

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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.