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Finding the Fourth Proportional to 554,259.60, 831,020.23 and 199,227.49

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Solution

The fourth proportional to 554,259.60, 831,020.23 and 199,227.49 is: 298,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,259.60 : 831,020.23 = 199,227.49 : x
  2. Step 2: Convert to fraction form
    554,259.60/831,020.23 = 199,227.49/x
  3. Step 3: Cross multiply
    554,259.60x = 831,020.23 × 199,227.49
  4. Step 4: Simplify right side
    554,259.60x = 165,562,074,562.12
  5. Step 5: Solve for x
    x = 165,562,074,562.12/554,259.60
  6. Step 6: Final answer
    x = 298,708.54

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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.