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Finding the Fourth Proportional to 655,217.46, 904,050.47 and 368,632.98

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Solution

The fourth proportional to 655,217.46, 904,050.47 and 368,632.98 is: 508,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,217.46 : 904,050.47 = 368,632.98 : x
  2. Step 2: Convert to fraction form
    655,217.46/904,050.47 = 368,632.98/x
  3. Step 3: Cross multiply
    655,217.46x = 904,050.47 × 368,632.98
  4. Step 4: Simplify right side
    655,217.46x = 333,262,816,983.34
  5. Step 5: Solve for x
    x = 333,262,816,983.34/655,217.46
  6. Step 6: Final answer
    x = 508,629.33

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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.