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Finding the Fourth Proportional to 555,685.28, 828,647.32 and 550,633.04

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Solution

The fourth proportional to 555,685.28, 828,647.32 and 550,633.04 is: 821,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,685.28 : 828,647.32 = 550,633.04 : x
  2. Step 2: Convert to fraction form
    555,685.28/828,647.32 = 550,633.04/x
  3. Step 3: Cross multiply
    555,685.28x = 828,647.32 × 550,633.04
  4. Step 4: Simplify right side
    555,685.28x = 456,280,592,899.45
  5. Step 5: Solve for x
    x = 456,280,592,899.45/555,685.28
  6. Step 6: Final answer
    x = 821,113.33

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.