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Finding the Fourth Proportional to 600,489.92, 828,546.72 and 382,781.76

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Solution

The fourth proportional to 600,489.92, 828,546.72 and 382,781.76 is: 528,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,489.92 : 828,546.72 = 382,781.76 : x
  2. Step 2: Convert to fraction form
    600,489.92/828,546.72 = 382,781.76/x
  3. Step 3: Cross multiply
    600,489.92x = 828,546.72 × 382,781.76
  4. Step 4: Simplify right side
    600,489.92x = 317,152,571,723.83
  5. Step 5: Solve for x
    x = 317,152,571,723.83/600,489.92
  6. Step 6: Final answer
    x = 528,156.36

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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.