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Finding the Fourth Proportional to 435,851.67, 601,421.50 and 252,121.80

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Solution

The fourth proportional to 435,851.67, 601,421.50 and 252,121.80 is: 347,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,851.67 : 601,421.50 = 252,121.80 : x
  2. Step 2: Convert to fraction form
    435,851.67/601,421.50 = 252,121.80/x
  3. Step 3: Cross multiply
    435,851.67x = 601,421.50 × 252,121.80
  4. Step 4: Simplify right side
    435,851.67x = 151,631,467,501.29
  5. Step 5: Solve for x
    x = 151,631,467,501.29/435,851.67
  6. Step 6: Final answer
    x = 347,896.96

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1.5x scale

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.