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Finding the Fourth Proportional to 453,174.48, 625,512.24 and 281,144.88

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Solution

The fourth proportional to 453,174.48, 625,512.24 and 281,144.88 is: 388,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,174.48 : 625,512.24 = 281,144.88 : x
  2. Step 2: Convert to fraction form
    453,174.48/625,512.24 = 281,144.88/x
  3. Step 3: Cross multiply
    453,174.48x = 625,512.24 × 281,144.88
  4. Step 4: Simplify right side
    453,174.48x = 175,859,563,653.33
  5. Step 5: Solve for x
    x = 175,859,563,653.33/453,174.48
  6. Step 6: Final answer
    x = 388,061.49

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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.