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Finding the Fourth Proportional to 498,051.45, 746,979.98 and 161,010.45

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Solution

The fourth proportional to 498,051.45, 746,979.98 and 161,010.45 is: 241,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,051.45 : 746,979.98 = 161,010.45 : x
  2. Step 2: Convert to fraction form
    498,051.45/746,979.98 = 161,010.45/x
  3. Step 3: Cross multiply
    498,051.45x = 746,979.98 × 161,010.45
  4. Step 4: Simplify right side
    498,051.45x = 120,271,581,915.74
  5. Step 5: Solve for x
    x = 120,271,581,915.74/498,051.45
  6. Step 6: Final answer
    x = 241,484.25

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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.