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Finding the Fourth Proportional to 298,402.00, 447,670.67 and 98,722.06

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Solution

The fourth proportional to 298,402.00, 447,670.67 and 98,722.06 is: 148,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,402.00 : 447,670.67 = 98,722.06 : x
  2. Step 2: Convert to fraction form
    298,402.00/447,670.67 = 98,722.06/x
  3. Step 3: Cross multiply
    298,402.00x = 447,670.67 × 98,722.06
  4. Step 4: Simplify right side
    298,402.00x = 44,194,969,131.19
  5. Step 5: Solve for x
    x = 44,194,969,131.19/298,402.00
  6. Step 6: Final answer
    x = 148,105.47

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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.