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Finding the Fourth Proportional to 552,583.88, 761,831.70 and 361,268.36

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Solution

The fourth proportional to 552,583.88, 761,831.70 and 361,268.36 is: 498,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,583.88 : 761,831.70 = 361,268.36 : x
  2. Step 2: Convert to fraction form
    552,583.88/761,831.70 = 361,268.36/x
  3. Step 3: Cross multiply
    552,583.88x = 761,831.70 × 361,268.36
  4. Step 4: Simplify right side
    552,583.88x = 275,225,688,855.01
  5. Step 5: Solve for x
    x = 275,225,688,855.01/552,583.88
  6. Step 6: Final answer
    x = 498,070.43

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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.