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Finding the Fourth Proportional to 580,697.36, 801,449.16 and 354,474.32

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Solution

The fourth proportional to 580,697.36, 801,449.16 and 354,474.32 is: 489,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,697.36 : 801,449.16 = 354,474.32 : x
  2. Step 2: Convert to fraction form
    580,697.36/801,449.16 = 354,474.32/x
  3. Step 3: Cross multiply
    580,697.36x = 801,449.16 × 354,474.32
  4. Step 4: Simplify right side
    580,697.36x = 284,093,146,005.57
  5. Step 5: Solve for x
    x = 284,093,146,005.57/580,697.36
  6. Step 6: Final answer
    x = 489,227.55

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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.