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Finding the Fourth Proportional to 290,568.74, 435,923.37 and 101,001.74

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Solution

The fourth proportional to 290,568.74, 435,923.37 and 101,001.74 is: 151,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,568.74 : 435,923.37 = 101,001.74 : x
  2. Step 2: Convert to fraction form
    290,568.74/435,923.37 = 101,001.74/x
  3. Step 3: Cross multiply
    290,568.74x = 435,923.37 × 101,001.74
  4. Step 4: Simplify right side
    290,568.74x = 44,029,016,697.05
  5. Step 5: Solve for x
    x = 44,029,016,697.05/290,568.74
  6. Step 6: Final answer
    x = 151,527.03

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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.