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Finding the Fourth Proportional to 569,694.94, 785,941.56 and 327,919.66

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Solution

The fourth proportional to 569,694.94, 785,941.56 and 327,919.66 is: 452,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,694.94 : 785,941.56 = 327,919.66 : x
  2. Step 2: Convert to fraction form
    569,694.94/785,941.56 = 327,919.66/x
  3. Step 3: Cross multiply
    569,694.94x = 785,941.56 × 327,919.66
  4. Step 4: Simplify right side
    569,694.94x = 257,725,689,135.07
  5. Step 5: Solve for x
    x = 257,725,689,135.07/569,694.94
  6. Step 6: Final answer
    x = 452,392.45

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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.