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Finding the Fourth Proportional to 272,056.46, 375,664.53 and 226,970.81

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Solution

The fourth proportional to 272,056.46, 375,664.53 and 226,970.81 is: 313,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,056.46 : 375,664.53 = 226,970.81 : x
  2. Step 2: Convert to fraction form
    272,056.46/375,664.53 = 226,970.81/x
  3. Step 3: Cross multiply
    272,056.46x = 375,664.53 × 226,970.81
  4. Step 4: Simplify right side
    272,056.46x = 85,264,883,043.93
  5. Step 5: Solve for x
    x = 85,264,883,043.93/272,056.46
  6. Step 6: Final answer
    x = 313,408.79

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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.