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Finding the Fourth Proportional to 354,199.32, 531,296.33 and 101,480.02

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Solution

The fourth proportional to 354,199.32, 531,296.33 and 101,480.02 is: 152,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,199.32 : 531,296.33 = 101,480.02 : x
  2. Step 2: Convert to fraction form
    354,199.32/531,296.33 = 101,480.02/x
  3. Step 3: Cross multiply
    354,199.32x = 531,296.33 × 101,480.02
  4. Step 4: Simplify right side
    354,199.32x = 53,915,963,112.15
  5. Step 5: Solve for x
    x = 53,915,963,112.15/354,199.32
  6. Step 6: Final answer
    x = 152,219.27

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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.