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Finding the Fourth Proportional to 536,310.96, 803,740.68 and 203,705.52

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Solution

The fourth proportional to 536,310.96, 803,740.68 and 203,705.52 is: 305,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,310.96 : 803,740.68 = 203,705.52 : x
  2. Step 2: Convert to fraction form
    536,310.96/803,740.68 = 203,705.52/x
  3. Step 3: Cross multiply
    536,310.96x = 803,740.68 × 203,705.52
  4. Step 4: Simplify right side
    536,310.96x = 163,726,413,164.55
  5. Step 5: Solve for x
    x = 163,726,413,164.55/536,310.96
  6. Step 6: Final answer
    x = 305,282.62

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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.