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Finding the Fourth Proportional to 359,051.42, 495,494.26 and 197,912.65

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Solution

The fourth proportional to 359,051.42, 495,494.26 and 197,912.65 is: 273,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,051.42 : 495,494.26 = 197,912.65 : x
  2. Step 2: Convert to fraction form
    359,051.42/495,494.26 = 197,912.65/x
  3. Step 3: Cross multiply
    359,051.42x = 495,494.26 × 197,912.65
  4. Step 4: Simplify right side
    359,051.42x = 98,064,582,056.39
  5. Step 5: Solve for x
    x = 98,064,582,056.39/359,051.42
  6. Step 6: Final answer
    x = 273,121.28

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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.