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Finding the Fourth Proportional to 454,173.56, 626,729.42 and 272,893.13

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Solution

The fourth proportional to 454,173.56, 626,729.42 and 272,893.13 is: 376,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,173.56 : 626,729.42 = 272,893.13 : x
  2. Step 2: Convert to fraction form
    454,173.56/626,729.42 = 272,893.13/x
  3. Step 3: Cross multiply
    454,173.56x = 626,729.42 × 272,893.13
  4. Step 4: Simplify right side
    454,173.56x = 171,030,150,635.47
  5. Step 5: Solve for x
    x = 171,030,150,635.47/454,173.56
  6. Step 6: Final answer
    x = 376,574.44

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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.