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Finding the Fourth Proportional to 609,045.18, 840,460.91 and 337,113.60

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Solution

The fourth proportional to 609,045.18, 840,460.91 and 337,113.60 is: 465,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,045.18 : 840,460.91 = 337,113.60 : x
  2. Step 2: Convert to fraction form
    609,045.18/840,460.91 = 337,113.60/x
  3. Step 3: Cross multiply
    609,045.18x = 840,460.91 × 337,113.60
  4. Step 4: Simplify right side
    609,045.18x = 283,330,800,088.34
  5. Step 5: Solve for x
    x = 283,330,800,088.34/609,045.18
  6. Step 6: Final answer
    x = 465,204.90

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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.