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Finding the Fourth Proportional to 487,729.74, 731,664.71 and 150,796.67

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Solution

The fourth proportional to 487,729.74, 731,664.71 and 150,796.67 is: 226,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,729.74 : 731,664.71 = 150,796.67 : x
  2. Step 2: Convert to fraction form
    487,729.74/731,664.71 = 150,796.67/x
  3. Step 3: Cross multiply
    487,729.74x = 731,664.71 × 150,796.67
  4. Step 4: Simplify right side
    487,729.74x = 110,332,598,401.81
  5. Step 5: Solve for x
    x = 110,332,598,401.81/487,729.74
  6. Step 6: Final answer
    x = 226,216.67

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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.