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Finding the Fourth Proportional to 352,044.80, 528,067.20 and 174,579.20

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Solution

The fourth proportional to 352,044.80, 528,067.20 and 174,579.20 is: 261,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,044.80 : 528,067.20 = 174,579.20 : x
  2. Step 2: Convert to fraction form
    352,044.80/528,067.20 = 174,579.20/x
  3. Step 3: Cross multiply
    352,044.80x = 528,067.20 × 174,579.20
  4. Step 4: Simplify right side
    352,044.80x = 92,189,549,322.24
  5. Step 5: Solve for x
    x = 92,189,549,322.24/352,044.80
  6. Step 6: Final answer
    x = 261,868.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.