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Finding the Fourth Proportional to 1,134.68, 1,700.64 and 586.56

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Solution

The fourth proportional to 1,134.68, 1,700.64 and 586.56 is: 879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.68 : 1,700.64 = 586.56 : x
  2. Step 2: Convert to fraction form
    1,134.68/1,700.64 = 586.56/x
  3. Step 3: Cross multiply
    1,134.68x = 1,700.64 × 586.56
  4. Step 4: Simplify right side
    1,134.68x = 997,527.40
  5. Step 5: Solve for x
    x = 997,527.40/1,134.68
  6. Step 6: Final answer
    x = 879.13

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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.