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Finding the Fourth Proportional to 359,056.64, 495,475.80 and 197,912.96

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Solution

The fourth proportional to 359,056.64, 495,475.80 and 197,912.96 is: 273,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,056.64 : 495,475.80 = 197,912.96 : x
  2. Step 2: Convert to fraction form
    359,056.64/495,475.80 = 197,912.96/x
  3. Step 3: Cross multiply
    359,056.64x = 495,475.80 × 197,912.96
  4. Step 4: Simplify right side
    359,056.64x = 98,061,082,186.37
  5. Step 5: Solve for x
    x = 98,061,082,186.37/359,056.64
  6. Step 6: Final answer
    x = 273,107.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.