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Finding the Fourth Proportional to 1,134.01, 1,700.58 and 440.59

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Solution

The fourth proportional to 1,134.01, 1,700.58 and 440.59 is: 660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.01 : 1,700.58 = 440.59 : x
  2. Step 2: Convert to fraction form
    1,134.01/1,700.58 = 440.59/x
  3. Step 3: Cross multiply
    1,134.01x = 1,700.58 × 440.59
  4. Step 4: Simplify right side
    1,134.01x = 749,260.02
  5. Step 5: Solve for x
    x = 749,260.02/1,134.01
  6. Step 6: Final answer
    x = 660.72

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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.