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Finding the Fourth Proportional to 655,446.04, 904,513.17 and 368,966.86

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Solution

The fourth proportional to 655,446.04, 904,513.17 and 368,966.86 is: 509,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,446.04 : 904,513.17 = 368,966.86 : x
  2. Step 2: Convert to fraction form
    655,446.04/904,513.17 = 368,966.86/x
  3. Step 3: Cross multiply
    655,446.04x = 904,513.17 × 368,966.86
  4. Step 4: Simplify right side
    655,446.04x = 333,735,384,163.55
  5. Step 5: Solve for x
    x = 333,735,384,163.55/655,446.04
  6. Step 6: Final answer
    x = 509,172.94

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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.