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Finding the Fourth Proportional to 529,087.84, 792,802.26 and 449,876.32

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Solution

The fourth proportional to 529,087.84, 792,802.26 and 449,876.32 is: 674,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,087.84 : 792,802.26 = 449,876.32 : x
  2. Step 2: Convert to fraction form
    529,087.84/792,802.26 = 449,876.32/x
  3. Step 3: Cross multiply
    529,087.84x = 792,802.26 × 449,876.32
  4. Step 4: Simplify right side
    529,087.84x = 356,662,963,216.48
  5. Step 5: Solve for x
    x = 356,662,963,216.48/529,087.84
  6. Step 6: Final answer
    x = 674,109.17

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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.