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Finding the Fourth Proportional to 274,193.54, 378,384.45 and 153,333.44

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Solution

The fourth proportional to 274,193.54, 378,384.45 and 153,333.44 is: 211,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,193.54 : 378,384.45 = 153,333.44 : x
  2. Step 2: Convert to fraction form
    274,193.54/378,384.45 = 153,333.44/x
  3. Step 3: Cross multiply
    274,193.54x = 378,384.45 × 153,333.44
  4. Step 4: Simplify right side
    274,193.54x = 58,018,989,361.01
  5. Step 5: Solve for x
    x = 58,018,989,361.01/274,193.54
  6. Step 6: Final answer
    x = 211,598.67

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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.