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Finding the Fourth Proportional to 655,222.46, 904,057.38 and 368,637.98

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Solution

The fourth proportional to 655,222.46, 904,057.38 and 368,637.98 is: 508,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,222.46 : 904,057.38 = 368,637.98 : x
  2. Step 2: Convert to fraction form
    655,222.46/904,057.38 = 368,637.98/x
  3. Step 3: Cross multiply
    655,222.46x = 904,057.38 × 368,637.98
  4. Step 4: Simplify right side
    655,222.46x = 333,269,886,367.29
  5. Step 5: Solve for x
    x = 333,269,886,367.29/655,222.46
  6. Step 6: Final answer
    x = 508,636.24

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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.