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Finding the Fourth Proportional to 435,851.79, 601,421.67 and 252,121.92

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Solution

The fourth proportional to 435,851.79, 601,421.67 and 252,121.92 is: 347,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,851.79 : 601,421.67 = 252,121.92 : x
  2. Step 2: Convert to fraction form
    435,851.79/601,421.67 = 252,121.92/x
  3. Step 3: Cross multiply
    435,851.79x = 601,421.67 × 252,121.92
  4. Step 4: Simplify right side
    435,851.79x = 151,631,586,170.01
  5. Step 5: Solve for x
    x = 151,631,586,170.01/435,851.79
  6. Step 6: Final answer
    x = 347,897.13

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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.