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Finding the Fourth Proportional to 347,297.64, 520,810.14 and 122,610.12

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Solution

The fourth proportional to 347,297.64, 520,810.14 and 122,610.12 is: 183,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,297.64 : 520,810.14 = 122,610.12 : x
  2. Step 2: Convert to fraction form
    347,297.64/520,810.14 = 122,610.12/x
  3. Step 3: Cross multiply
    347,297.64x = 520,810.14 × 122,610.12
  4. Step 4: Simplify right side
    347,297.64x = 63,856,593,762.62
  5. Step 5: Solve for x
    x = 63,856,593,762.62/347,297.64
  6. Step 6: Final answer
    x = 183,867.05

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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.