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Finding the Fourth Proportional to 609,873.09, 841,643.31 and 337,915.55

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Solution

The fourth proportional to 609,873.09, 841,643.31 and 337,915.55 is: 466,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,873.09 : 841,643.31 = 337,915.55 : x
  2. Step 2: Convert to fraction form
    609,873.09/841,643.31 = 337,915.55/x
  3. Step 3: Cross multiply
    609,873.09x = 841,643.31 × 337,915.55
  4. Step 4: Simplify right side
    609,873.09x = 284,404,357,794.25
  5. Step 5: Solve for x
    x = 284,404,357,794.25/609,873.09
  6. Step 6: Final answer
    x = 466,333.67

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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.