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Finding the Fourth Proportional to 1,133.16, 1,697.64 and 584.76

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Solution

The fourth proportional to 1,133.16, 1,697.64 and 584.76 is: 876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.16 : 1,697.64 = 584.76 : x
  2. Step 2: Convert to fraction form
    1,133.16/1,697.64 = 584.76/x
  3. Step 3: Cross multiply
    1,133.16x = 1,697.64 × 584.76
  4. Step 4: Simplify right side
    1,133.16x = 992,711.97
  5. Step 5: Solve for x
    x = 992,711.97/1,133.16
  6. Step 6: Final answer
    x = 876.06

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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.