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Finding the Fourth Proportional to 541,277.70, 812,110.95 and 225,831.30

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Solution

The fourth proportional to 541,277.70, 812,110.95 and 225,831.30 is: 338,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,277.70 : 812,110.95 = 225,831.30 : x
  2. Step 2: Convert to fraction form
    541,277.70/812,110.95 = 225,831.30/x
  3. Step 3: Cross multiply
    541,277.70x = 812,110.95 × 225,831.30
  4. Step 4: Simplify right side
    541,277.70x = 183,400,071,582.74
  5. Step 5: Solve for x
    x = 183,400,071,582.74/541,277.70
  6. Step 6: Final answer
    x = 338,828.06

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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.