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Finding the Fourth Proportional to 508,074.98, 701,340.72 and 381,119.90

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Solution

The fourth proportional to 508,074.98, 701,340.72 and 381,119.90 is: 526,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,074.98 : 701,340.72 = 381,119.90 : x
  2. Step 2: Convert to fraction form
    508,074.98/701,340.72 = 381,119.90/x
  3. Step 3: Cross multiply
    508,074.98x = 701,340.72 × 381,119.90
  4. Step 4: Simplify right side
    508,074.98x = 267,294,905,072.33
  5. Step 5: Solve for x
    x = 267,294,905,072.33/508,074.98
  6. Step 6: Final answer
    x = 526,093.42

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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.