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Finding the Fourth Proportional to 1,052, 1,451.76 and 586.32

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Solution

The fourth proportional to 1,052, 1,451.76 and 586.32 is: 809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052 : 1,451.76 = 586.32 : x
  2. Step 2: Convert to fraction form
    1,052/1,451.76 = 586.32/x
  3. Step 3: Cross multiply
    1,052x = 1,451.76 × 586.32
  4. Step 4: Simplify right side
    1,052x = 851,195.92
  5. Step 5: Solve for x
    x = 851,195.92/1,052
  6. Step 6: Final answer
    x = 809.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.