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Finding the Fourth Proportional to 526,802.88, 790,229.76 and 171,816.24

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Solution

The fourth proportional to 526,802.88, 790,229.76 and 171,816.24 is: 257,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,802.88 : 790,229.76 = 171,816.24 : x
  2. Step 2: Convert to fraction form
    526,802.88/790,229.76 = 171,816.24/x
  3. Step 3: Cross multiply
    526,802.88x = 790,229.76 × 171,816.24
  4. Step 4: Simplify right side
    526,802.88x = 135,774,306,099.30
  5. Step 5: Solve for x
    x = 135,774,306,099.30/526,802.88
  6. Step 6: Final answer
    x = 257,732.66

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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.