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Finding the Fourth Proportional to 298,394, 447,586.58 and 73,754.46

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Solution

The fourth proportional to 298,394, 447,586.58 and 73,754.46 is: 110,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,394 : 447,586.58 = 73,754.46 : x
  2. Step 2: Convert to fraction form
    298,394/447,586.58 = 73,754.46/x
  3. Step 3: Cross multiply
    298,394x = 447,586.58 × 73,754.46
  4. Step 4: Simplify right side
    298,394x = 33,011,506,511.15
  5. Step 5: Solve for x
    x = 33,011,506,511.15/298,394
  6. Step 6: Final answer
    x = 110,630.60

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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.