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Finding the Fourth Proportional to 561,755.49, 842,845.34 and 337,272.40

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Solution

The fourth proportional to 561,755.49, 842,845.34 and 337,272.40 is: 506,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,755.49 : 842,845.34 = 337,272.40 : x
  2. Step 2: Convert to fraction form
    561,755.49/842,845.34 = 337,272.40/x
  3. Step 3: Cross multiply
    561,755.49x = 842,845.34 × 337,272.40
  4. Step 4: Simplify right side
    561,755.49x = 284,268,472,547.35
  5. Step 5: Solve for x
    x = 284,268,472,547.35/561,755.49
  6. Step 6: Final answer
    x = 506,035.95

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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.