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Finding the Fourth Proportional to 655,527.72, 904,625.64 and 369,048.36

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Solution

The fourth proportional to 655,527.72, 904,625.64 and 369,048.36 is: 509,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,527.72 : 904,625.64 = 369,048.36 : x
  2. Step 2: Convert to fraction form
    655,527.72/904,625.64 = 369,048.36/x
  3. Step 3: Cross multiply
    655,527.72x = 904,625.64 × 369,048.36
  4. Step 4: Simplify right side
    655,527.72x = 333,850,608,855.95
  5. Step 5: Solve for x
    x = 333,850,608,855.95/655,527.72
  6. Step 6: Final answer
    x = 509,285.27

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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.