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Finding the Fourth Proportional to 1,130.22, 1,694.71 and 350.01

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Solution

The fourth proportional to 1,130.22, 1,694.71 and 350.01 is: 524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.22 : 1,694.71 = 350.01 : x
  2. Step 2: Convert to fraction form
    1,130.22/1,694.71 = 350.01/x
  3. Step 3: Cross multiply
    1,130.22x = 1,694.71 × 350.01
  4. Step 4: Simplify right side
    1,130.22x = 593,165.88
  5. Step 5: Solve for x
    x = 593,165.88/1,130.22
  6. Step 6: Final answer
    x = 524.82

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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.