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Finding the Fourth Proportional to 697.79, 1,050.79 and 504.13

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Solution

The fourth proportional to 697.79, 1,050.79 and 504.13 is: 759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.79 : 1,050.79 = 504.13 : x
  2. Step 2: Convert to fraction form
    697.79/1,050.79 = 504.13/x
  3. Step 3: Cross multiply
    697.79x = 1,050.79 × 504.13
  4. Step 4: Simplify right side
    697.79x = 529,734.76
  5. Step 5: Solve for x
    x = 529,734.76/697.79
  6. Step 6: Final answer
    x = 759.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.