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Finding the Fourth Proportional to 579,801.43, 800,124.44 and 325,158.09

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Solution

The fourth proportional to 579,801.43, 800,124.44 and 325,158.09 is: 448,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,801.43 : 800,124.44 = 325,158.09 : x
  2. Step 2: Convert to fraction form
    579,801.43/800,124.44 = 325,158.09/x
  3. Step 3: Cross multiply
    579,801.43x = 800,124.44 × 325,158.09
  4. Step 4: Simplify right side
    579,801.43x = 260,166,934,672.72
  5. Step 5: Solve for x
    x = 260,166,934,672.72/579,801.43
  6. Step 6: Final answer
    x = 448,717.30

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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.