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Finding the Fourth Proportional to 550,444.28, 825,748.50 and 195,428.66

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Solution

The fourth proportional to 550,444.28, 825,748.50 and 195,428.66 is: 293,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,444.28 : 825,748.50 = 195,428.66 : x
  2. Step 2: Convert to fraction form
    550,444.28/825,748.50 = 195,428.66/x
  3. Step 3: Cross multiply
    550,444.28x = 825,748.50 × 195,428.66
  4. Step 4: Simplify right side
    550,444.28x = 161,374,922,852.01
  5. Step 5: Solve for x
    x = 161,374,922,852.01/550,444.28
  6. Step 6: Final answer
    x = 293,172.13

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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.