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Finding the Fourth Proportional to 609,365.08, 840,913.48 and 337,427.16

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Solution

The fourth proportional to 609,365.08, 840,913.48 and 337,427.16 is: 465,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,365.08 : 840,913.48 = 337,427.16 : x
  2. Step 2: Convert to fraction form
    609,365.08/840,913.48 = 337,427.16/x
  3. Step 3: Cross multiply
    609,365.08x = 840,913.48 × 337,427.16
  4. Step 4: Simplify right side
    609,365.08x = 283,747,047,362.12
  5. Step 5: Solve for x
    x = 283,747,047,362.12/609,365.08
  6. Step 6: Final answer
    x = 465,643.76

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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.