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Finding the Fourth Proportional to 395,528.92, 592,602.18 and 329,394.52

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Solution

The fourth proportional to 395,528.92, 592,602.18 and 329,394.52 is: 493,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,528.92 : 592,602.18 = 329,394.52 : x
  2. Step 2: Convert to fraction form
    395,528.92/592,602.18 = 329,394.52/x
  3. Step 3: Cross multiply
    395,528.92x = 592,602.18 × 329,394.52
  4. Step 4: Simplify right side
    395,528.92x = 195,199,910,632.05
  5. Step 5: Solve for x
    x = 195,199,910,632.05/395,528.92
  6. Step 6: Final answer
    x = 493,516.15

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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.