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Finding the Fourth Proportional to 552,014.30, 828,021.19 and 172,964.82

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Solution

The fourth proportional to 552,014.30, 828,021.19 and 172,964.82 is: 259,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,014.30 : 828,021.19 = 172,964.82 : x
  2. Step 2: Convert to fraction form
    552,014.30/828,021.19 = 172,964.82/x
  3. Step 3: Cross multiply
    552,014.30x = 828,021.19 × 172,964.82
  4. Step 4: Simplify right side
    552,014.30x = 143,218,539,081.51
  5. Step 5: Solve for x
    x = 143,218,539,081.51/552,014.30
  6. Step 6: Final answer
    x = 259,447.16

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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.