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Finding the Fourth Proportional to 347,214.68, 520,649.72 and 110,526.60

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Solution

The fourth proportional to 347,214.68, 520,649.72 and 110,526.60 is: 165,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,214.68 : 520,649.72 = 110,526.60 : x
  2. Step 2: Convert to fraction form
    347,214.68/520,649.72 = 110,526.60/x
  3. Step 3: Cross multiply
    347,214.68x = 520,649.72 × 110,526.60
  4. Step 4: Simplify right side
    347,214.68x = 57,545,643,342.55
  5. Step 5: Solve for x
    x = 57,545,643,342.55/347,214.68
  6. Step 6: Final answer
    x = 165,735.05

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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.