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Finding the Fourth Proportional to 502,517.53, 693,478.53 and 273,074.77

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Solution

The fourth proportional to 502,517.53, 693,478.53 and 273,074.77 is: 376,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,517.53 : 693,478.53 = 273,074.77 : x
  2. Step 2: Convert to fraction form
    502,517.53/693,478.53 = 273,074.77/x
  3. Step 3: Cross multiply
    502,517.53x = 693,478.53 × 273,074.77
  4. Step 4: Simplify right side
    502,517.53x = 189,371,490,079.69
  5. Step 5: Solve for x
    x = 189,371,490,079.69/502,517.53
  6. Step 6: Final answer
    x = 376,845.54

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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.