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Finding the Fourth Proportional to 603,872.09, 833,345.22 and 345,753.00

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Solution

The fourth proportional to 603,872.09, 833,345.22 and 345,753.00 is: 477,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,872.09 : 833,345.22 = 345,753.00 : x
  2. Step 2: Convert to fraction form
    603,872.09/833,345.22 = 345,753.00/x
  3. Step 3: Cross multiply
    603,872.09x = 833,345.22 × 345,753.00
  4. Step 4: Simplify right side
    603,872.09x = 288,131,603,955.17
  5. Step 5: Solve for x
    x = 288,131,603,955.17/603,872.09
  6. Step 6: Final answer
    x = 477,140.12

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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.