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Finding the Fourth Proportional to 550,346.76, 825,602.16 and 195,331.06

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Solution

The fourth proportional to 550,346.76, 825,602.16 and 195,331.06 is: 293,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,346.76 : 825,602.16 = 195,331.06 : x
  2. Step 2: Convert to fraction form
    550,346.76/825,602.16 = 195,331.06/x
  3. Step 3: Cross multiply
    550,346.76x = 825,602.16 × 195,331.06
  4. Step 4: Simplify right side
    550,346.76x = 161,265,745,051.09
  5. Step 5: Solve for x
    x = 161,265,745,051.09/550,346.76
  6. Step 6: Final answer
    x = 293,025.70

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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.