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Finding the Fourth Proportional to 655,169.04, 904,063.68 and 368,684.46

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Solution

The fourth proportional to 655,169.04, 904,063.68 and 368,684.46 is: 508,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,169.04 : 904,063.68 = 368,684.46 : x
  2. Step 2: Convert to fraction form
    655,169.04/904,063.68 = 368,684.46/x
  3. Step 3: Cross multiply
    655,169.04x = 904,063.68 × 368,684.46
  4. Step 4: Simplify right side
    655,169.04x = 333,314,229,666.41
  5. Step 5: Solve for x
    x = 333,314,229,666.41/655,169.04
  6. Step 6: Final answer
    x = 508,745.39

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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.