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Finding the Fourth Proportional to 707.02, 1,060.53 and 322

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Solution

The fourth proportional to 707.02, 1,060.53 and 322 is: 483

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.02 : 1,060.53 = 322 : x
  2. Step 2: Convert to fraction form
    707.02/1,060.53 = 322/x
  3. Step 3: Cross multiply
    707.02x = 1,060.53 × 322
  4. Step 4: Simplify right side
    707.02x = 341,490.66
  5. Step 5: Solve for x
    x = 341,490.66/707.02
  6. Step 6: Final answer
    x = 483

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.