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Finding the Fourth Proportional to 737.18, 1,011.24 and 697.45

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Solution

The fourth proportional to 737.18, 1,011.24 and 697.45 is: 956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.18 : 1,011.24 = 697.45 : x
  2. Step 2: Convert to fraction form
    737.18/1,011.24 = 697.45/x
  3. Step 3: Cross multiply
    737.18x = 1,011.24 × 697.45
  4. Step 4: Simplify right side
    737.18x = 705,289.34
  5. Step 5: Solve for x
    x = 705,289.34/737.18
  6. Step 6: Final answer
    x = 956.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.