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Finding the Fourth Proportional to 347,209.44, 520,818.48 and 110,551.20

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Solution

The fourth proportional to 347,209.44, 520,818.48 and 110,551.20 is: 165,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,209.44 : 520,818.48 = 110,551.20 : x
  2. Step 2: Convert to fraction form
    347,209.44/520,818.48 = 110,551.20/x
  3. Step 3: Cross multiply
    347,209.44x = 520,818.48 × 110,551.20
  4. Step 4: Simplify right side
    347,209.44x = 57,577,107,946.18
  5. Step 5: Solve for x
    x = 57,577,107,946.18/347,209.44
  6. Step 6: Final answer
    x = 165,828.18

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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.