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Finding the Fourth Proportional to 501,831.97, 752,264.12 and 169,226.53

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Solution

The fourth proportional to 501,831.97, 752,264.12 and 169,226.53 is: 253,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,831.97 : 752,264.12 = 169,226.53 : x
  2. Step 2: Convert to fraction form
    501,831.97/752,264.12 = 169,226.53/x
  3. Step 3: Cross multiply
    501,831.97x = 752,264.12 × 169,226.53
  4. Step 4: Simplify right side
    501,831.97x = 127,303,045,824.97
  5. Step 5: Solve for x
    x = 127,303,045,824.97/501,831.97
  6. Step 6: Final answer
    x = 253,676.64

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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.