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Finding the Fourth Proportional to 655,755.18, 904,924.41 and 369,269.10

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Solution

The fourth proportional to 655,755.18, 904,924.41 and 369,269.10 is: 509,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,755.18 : 904,924.41 = 369,269.10 : x
  2. Step 2: Convert to fraction form
    655,755.18/904,924.41 = 369,269.10/x
  3. Step 3: Cross multiply
    655,755.18x = 904,924.41 × 369,269.10
  4. Step 4: Simplify right side
    655,755.18x = 334,160,622,448.73
  5. Step 5: Solve for x
    x = 334,160,622,448.73/655,755.18
  6. Step 6: Final answer
    x = 509,581.37

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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.