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Finding the Fourth Proportional to 522,873.48, 721,539.06 and 296,540.04

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Solution

The fourth proportional to 522,873.48, 721,539.06 and 296,540.04 is: 409,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,873.48 : 721,539.06 = 296,540.04 : x
  2. Step 2: Convert to fraction form
    522,873.48/721,539.06 = 296,540.04/x
  3. Step 3: Cross multiply
    522,873.48x = 721,539.06 × 296,540.04
  4. Step 4: Simplify right side
    522,873.48x = 213,965,221,713.96
  5. Step 5: Solve for x
    x = 213,965,221,713.96/522,873.48
  6. Step 6: Final answer
    x = 409,210.32

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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.