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Finding the Fourth Proportional to 655,496.75, 904,602.43 and 369,027.09

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Solution

The fourth proportional to 655,496.75, 904,602.43 and 369,027.09 is: 509,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,496.75 : 904,602.43 = 369,027.09 : x
  2. Step 2: Convert to fraction form
    655,496.75/904,602.43 = 369,027.09/x
  3. Step 3: Cross multiply
    655,496.75x = 904,602.43 × 369,027.09
  4. Step 4: Simplify right side
    655,496.75x = 333,822,802,811.11
  5. Step 5: Solve for x
    x = 333,822,802,811.11/655,496.75
  6. Step 6: Final answer
    x = 509,266.91

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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.