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Finding the Fourth Proportional to 347,116.63, 520,758.02 and 122,527.48

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Solution

The fourth proportional to 347,116.63, 520,758.02 and 122,527.48 is: 183,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,116.63 : 520,758.02 = 122,527.48 : x
  2. Step 2: Convert to fraction form
    347,116.63/520,758.02 = 122,527.48/x
  3. Step 3: Cross multiply
    347,116.63x = 520,758.02 × 122,527.48
  4. Step 4: Simplify right side
    347,116.63x = 63,807,167,880.39
  5. Step 5: Solve for x
    x = 63,807,167,880.39/347,116.63
  6. Step 6: Final answer
    x = 183,820.54

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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.