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Finding the Fourth Proportional to 552,259.10, 828,398.99 and 173,171.51

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Solution

The fourth proportional to 552,259.10, 828,398.99 and 173,171.51 is: 259,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,259.10 : 828,398.99 = 173,171.51 : x
  2. Step 2: Convert to fraction form
    552,259.10/828,398.99 = 173,171.51/x
  3. Step 3: Cross multiply
    552,259.10x = 828,398.99 × 173,171.51
  4. Step 4: Simplify right side
    552,259.10x = 143,455,103,980.78
  5. Step 5: Solve for x
    x = 143,455,103,980.78/552,259.10
  6. Step 6: Final answer
    x = 259,760.51

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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.