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Finding the Fourth Proportional to 454,244.32, 626,849.04 and 253,036

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Solution

The fourth proportional to 454,244.32, 626,849.04 and 253,036 is: 349,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,244.32 : 626,849.04 = 253,036 : x
  2. Step 2: Convert to fraction form
    454,244.32/626,849.04 = 253,036/x
  3. Step 3: Cross multiply
    454,244.32x = 626,849.04 × 253,036
  4. Step 4: Simplify right side
    454,244.32x = 158,615,373,685.44
  5. Step 5: Solve for x
    x = 158,615,373,685.44/454,244.32
  6. Step 6: Final answer
    x = 349,185.16

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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.