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Finding the Fourth Proportional to 603,755.55, 833,165.01 and 345,623.94

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Solution

The fourth proportional to 603,755.55, 833,165.01 and 345,623.94 is: 476,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,755.55 : 833,165.01 = 345,623.94 : x
  2. Step 2: Convert to fraction form
    603,755.55/833,165.01 = 345,623.94/x
  3. Step 3: Cross multiply
    603,755.55x = 833,165.01 × 345,623.94
  4. Step 4: Simplify right side
    603,755.55x = 287,961,772,055.13
  5. Step 5: Solve for x
    x = 287,961,772,055.13/603,755.55
  6. Step 6: Final answer
    x = 476,950.93

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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.