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Finding the Fourth Proportional to 1,174.69, 1,762.04 and 525.88

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Solution

The fourth proportional to 1,174.69, 1,762.04 and 525.88 is: 788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.69 : 1,762.04 = 525.88 : x
  2. Step 2: Convert to fraction form
    1,174.69/1,762.04 = 525.88/x
  3. Step 3: Cross multiply
    1,174.69x = 1,762.04 × 525.88
  4. Step 4: Simplify right side
    1,174.69x = 926,621.60
  5. Step 5: Solve for x
    x = 926,621.60/1,174.69
  6. Step 6: Final answer
    x = 788.82

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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.