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Finding the Fourth Proportional to 298,068.09, 447,102.26 and 73,432.89

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Solution

The fourth proportional to 298,068.09, 447,102.26 and 73,432.89 is: 110,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,068.09 : 447,102.26 = 73,432.89 : x
  2. Step 2: Convert to fraction form
    298,068.09/447,102.26 = 73,432.89/x
  3. Step 3: Cross multiply
    298,068.09x = 447,102.26 × 73,432.89
  4. Step 4: Simplify right side
    298,068.09x = 32,832,011,077.33
  5. Step 5: Solve for x
    x = 32,832,011,077.33/298,068.09
  6. Step 6: Final answer
    x = 110,149.37

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1.5x scale

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.