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Finding the Fourth Proportional to 1,164.66, 1,746.98 and 586.86

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Solution

The fourth proportional to 1,164.66, 1,746.98 and 586.86 is: 880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.66 : 1,746.98 = 586.86 : x
  2. Step 2: Convert to fraction form
    1,164.66/1,746.98 = 586.86/x
  3. Step 3: Cross multiply
    1,164.66x = 1,746.98 × 586.86
  4. Step 4: Simplify right side
    1,164.66x = 1,025,232.68
  5. Step 5: Solve for x
    x = 1,025,232.68/1,164.66
  6. Step 6: Final answer
    x = 880.28

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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.