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Finding the Fourth Proportional to 608,986.96, 840,395.76 and 337,055.38

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Solution

The fourth proportional to 608,986.96, 840,395.76 and 337,055.38 is: 465,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,986.96 : 840,395.76 = 337,055.38 : x
  2. Step 2: Convert to fraction form
    608,986.96/840,395.76 = 337,055.38/x
  3. Step 3: Cross multiply
    608,986.96x = 840,395.76 × 337,055.38
  4. Step 4: Simplify right side
    608,986.96x = 283,259,912,237.19
  5. Step 5: Solve for x
    x = 283,259,912,237.19/608,986.96
  6. Step 6: Final answer
    x = 465,132.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.