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Finding the Fourth Proportional to 354,625.40, 532,110.90 and 270,356.60

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Solution

The fourth proportional to 354,625.40, 532,110.90 and 270,356.60 is: 405,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,625.40 : 532,110.90 = 270,356.60 : x
  2. Step 2: Convert to fraction form
    354,625.40/532,110.90 = 270,356.60/x
  3. Step 3: Cross multiply
    354,625.40x = 532,110.90 × 270,356.60
  4. Step 4: Simplify right side
    354,625.40x = 143,859,693,746.94
  5. Step 5: Solve for x
    x = 143,859,693,746.94/354,625.40
  6. Step 6: Final answer
    x = 405,666.64

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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.