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Finding the Fourth Proportional to 569,790.68, 786,334.92 and 328,067.24

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Solution

The fourth proportional to 569,790.68, 786,334.92 and 328,067.24 is: 452,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,790.68 : 786,334.92 = 328,067.24 : x
  2. Step 2: Convert to fraction form
    569,790.68/786,334.92 = 328,067.24/x
  3. Step 3: Cross multiply
    569,790.68x = 786,334.92 × 328,067.24
  4. Step 4: Simplify right side
    569,790.68x = 257,970,726,920.02
  5. Step 5: Solve for x
    x = 257,970,726,920.02/569,790.68
  6. Step 6: Final answer
    x = 452,746.48

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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.