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Finding the Fourth Proportional to 347,115.63, 520,756.52 and 122,526.48

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Solution

The fourth proportional to 347,115.63, 520,756.52 and 122,526.48 is: 183,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,115.63 : 520,756.52 = 122,526.48 : x
  2. Step 2: Convert to fraction form
    347,115.63/520,756.52 = 122,526.48/x
  3. Step 3: Cross multiply
    347,115.63x = 520,756.52 × 122,526.48
  4. Step 4: Simplify right side
    347,115.63x = 63,806,462,720.02
  5. Step 5: Solve for x
    x = 63,806,462,720.02/347,115.63
  6. Step 6: Final answer
    x = 183,819.04

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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.