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Finding the Fourth Proportional to 1,159.92, 1,740.24 and 582.84

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Solution

The fourth proportional to 1,159.92, 1,740.24 and 582.84 is: 874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.92 : 1,740.24 = 582.84 : x
  2. Step 2: Convert to fraction form
    1,159.92/1,740.24 = 582.84/x
  3. Step 3: Cross multiply
    1,159.92x = 1,740.24 × 582.84
  4. Step 4: Simplify right side
    1,159.92x = 1,014,281.48
  5. Step 5: Solve for x
    x = 1,014,281.48/1,159.92
  6. Step 6: Final answer
    x = 874.44

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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.