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Finding the Fourth Proportional to 586,550.76, 809,831.88 and 395,494.44

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Solution

The fourth proportional to 586,550.76, 809,831.88 and 395,494.44 is: 546,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,550.76 : 809,831.88 = 395,494.44 : x
  2. Step 2: Convert to fraction form
    586,550.76/809,831.88 = 395,494.44/x
  3. Step 3: Cross multiply
    586,550.76x = 809,831.88 × 395,494.44
  4. Step 4: Simplify right side
    586,550.76x = 320,284,005,874.75
  5. Step 5: Solve for x
    x = 320,284,005,874.75/586,550.76
  6. Step 6: Final answer
    x = 546,046.53

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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.