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Finding the Fourth Proportional to 253,015.48, 379,585.50 and 178,281.56

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Solution

The fourth proportional to 253,015.48, 379,585.50 and 178,281.56 is: 267,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,015.48 : 379,585.50 = 178,281.56 : x
  2. Step 2: Convert to fraction form
    253,015.48/379,585.50 = 178,281.56/x
  3. Step 3: Cross multiply
    253,015.48x = 379,585.50 × 178,281.56
  4. Step 4: Simplify right side
    253,015.48x = 67,673,095,093.38
  5. Step 5: Solve for x
    x = 67,673,095,093.38/253,015.48
  6. Step 6: Final answer
    x = 267,466.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.