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Finding the Fourth Proportional to 1,175.07, 1,762.60 and 353.34

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Solution

The fourth proportional to 1,175.07, 1,762.60 and 353.34 is: 530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.07 : 1,762.60 = 353.34 : x
  2. Step 2: Convert to fraction form
    1,175.07/1,762.60 = 353.34/x
  3. Step 3: Cross multiply
    1,175.07x = 1,762.60 × 353.34
  4. Step 4: Simplify right side
    1,175.07x = 622,797.08
  5. Step 5: Solve for x
    x = 622,797.08/1,175.07
  6. Step 6: Final answer
    x = 530.01

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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.