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Finding the Fourth Proportional to 1,365.76, 2,048.29 and 586.24

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Solution

The fourth proportional to 1,365.76, 2,048.29 and 586.24 is: 879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.76 : 2,048.29 = 586.24 : x
  2. Step 2: Convert to fraction form
    1,365.76/2,048.29 = 586.24/x
  3. Step 3: Cross multiply
    1,365.76x = 2,048.29 × 586.24
  4. Step 4: Simplify right side
    1,365.76x = 1,200,782.94
  5. Step 5: Solve for x
    x = 1,200,782.94/1,365.76
  6. Step 6: Final answer
    x = 879.20

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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.