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Finding the Fourth Proportional to 454,128.96, 626,717.44 and 252,924.96

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Solution

The fourth proportional to 454,128.96, 626,717.44 and 252,924.96 is: 349,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,128.96 : 626,717.44 = 252,924.96 : x
  2. Step 2: Convert to fraction form
    454,128.96/626,717.44 = 252,924.96/x
  3. Step 3: Cross multiply
    454,128.96x = 626,717.44 × 252,924.96
  4. Step 4: Simplify right side
    454,128.96x = 158,512,483,443.30
  5. Step 5: Solve for x
    x = 158,512,483,443.30/454,128.96
  6. Step 6: Final answer
    x = 349,047.29

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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.