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Finding the Fourth Proportional to 354,362.69, 531,168.06 and 174,194.12

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Solution

The fourth proportional to 354,362.69, 531,168.06 and 174,194.12 is: 261,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,362.69 : 531,168.06 = 174,194.12 : x
  2. Step 2: Convert to fraction form
    354,362.69/531,168.06 = 174,194.12/x
  3. Step 3: Cross multiply
    354,362.69x = 531,168.06 × 174,194.12
  4. Step 4: Simplify right side
    354,362.69x = 92,526,352,783.81
  5. Step 5: Solve for x
    x = 92,526,352,783.81/354,362.69
  6. Step 6: Final answer
    x = 261,106.36

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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.