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Finding the Fourth Proportional to 298,066.09, 447,099.26 and 73,430.89

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Solution

The fourth proportional to 298,066.09, 447,099.26 and 73,430.89 is: 110,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,066.09 : 447,099.26 = 73,430.89 : x
  2. Step 2: Convert to fraction form
    298,066.09/447,099.26 = 73,430.89/x
  3. Step 3: Cross multiply
    298,066.09x = 447,099.26 × 73,430.89
  4. Step 4: Simplify right side
    298,066.09x = 32,830,897,610.17
  5. Step 5: Solve for x
    x = 32,830,897,610.17/298,066.09
  6. Step 6: Final answer
    x = 110,146.37

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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.