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Finding the Fourth Proportional to 347,270.70, 520,906.05 and 110,637.30

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Solution

The fourth proportional to 347,270.70, 520,906.05 and 110,637.30 is: 165,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,270.70 : 520,906.05 = 110,637.30 : x
  2. Step 2: Convert to fraction form
    347,270.70/520,906.05 = 110,637.30/x
  3. Step 3: Cross multiply
    347,270.70x = 520,906.05 × 110,637.30
  4. Step 4: Simplify right side
    347,270.70x = 57,631,638,925.67
  5. Step 5: Solve for x
    x = 57,631,638,925.67/347,270.70
  6. Step 6: Final answer
    x = 165,955.95

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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.