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Finding the Fourth Proportional to 274,366.16, 378,640.02 and 153,500.24

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Solution

The fourth proportional to 274,366.16, 378,640.02 and 153,500.24 is: 211,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,366.16 : 378,640.02 = 153,500.24 : x
  2. Step 2: Convert to fraction form
    274,366.16/378,640.02 = 153,500.24/x
  3. Step 3: Cross multiply
    274,366.16x = 378,640.02 × 153,500.24
  4. Step 4: Simplify right side
    274,366.16x = 58,121,333,943.60
  5. Step 5: Solve for x
    x = 58,121,333,943.60/274,366.16
  6. Step 6: Final answer
    x = 211,838.57

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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.