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Finding the Fourth Proportional to 342,969.67, 512,368.28 and 222,041.44

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Solution

The fourth proportional to 342,969.67, 512,368.28 and 222,041.44 is: 331,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,969.67 : 512,368.28 = 222,041.44 : x
  2. Step 2: Convert to fraction form
    342,969.67/512,368.28 = 222,041.44/x
  3. Step 3: Cross multiply
    342,969.67x = 512,368.28 × 222,041.44
  4. Step 4: Simplify right side
    342,969.67x = 113,766,990,701.52
  5. Step 5: Solve for x
    x = 113,766,990,701.52/342,969.67
  6. Step 6: Final answer
    x = 331,711.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.