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Finding the Fourth Proportional to 556,634.96, 834,952.40 and 197,069.60

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Solution

The fourth proportional to 556,634.96, 834,952.40 and 197,069.60 is: 295,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,634.96 : 834,952.40 = 197,069.60 : x
  2. Step 2: Convert to fraction form
    556,634.96/834,952.40 = 197,069.60/x
  3. Step 3: Cross multiply
    556,634.96x = 834,952.40 × 197,069.60
  4. Step 4: Simplify right side
    556,634.96x = 164,543,735,487.04
  5. Step 5: Solve for x
    x = 164,543,735,487.04/556,634.96
  6. Step 6: Final answer
    x = 295,604.39

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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.