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Finding the Fourth Proportional to 298,529.30, 447,710.81 and 98,865.24

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Solution

The fourth proportional to 298,529.30, 447,710.81 and 98,865.24 is: 148,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,529.30 : 447,710.81 = 98,865.24 : x
  2. Step 2: Convert to fraction form
    298,529.30/447,710.81 = 98,865.24/x
  3. Step 3: Cross multiply
    298,529.30x = 447,710.81 × 98,865.24
  4. Step 4: Simplify right side
    298,529.30x = 44,263,036,186.92
  5. Step 5: Solve for x
    x = 44,263,036,186.92/298,529.30
  6. Step 6: Final answer
    x = 148,270.33

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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.