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Finding the Fourth Proportional to 552,258.10, 828,397.49 and 173,170.51

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Solution

The fourth proportional to 552,258.10, 828,397.49 and 173,170.51 is: 259,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,258.10 : 828,397.49 = 173,170.51 : x
  2. Step 2: Convert to fraction form
    552,258.10/828,397.49 = 173,170.51/x
  3. Step 3: Cross multiply
    552,258.10x = 828,397.49 × 173,170.51
  4. Step 4: Simplify right side
    552,258.10x = 143,454,015,826.02
  5. Step 5: Solve for x
    x = 143,454,015,826.02/552,258.10
  6. Step 6: Final answer
    x = 259,759.01

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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.