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Finding the Fourth Proportional to 655,552.80, 904,679.88 and 369,083.22

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Solution

The fourth proportional to 655,552.80, 904,679.88 and 369,083.22 is: 509,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,552.80 : 904,679.88 = 369,083.22 : x
  2. Step 2: Convert to fraction form
    655,552.80/904,679.88 = 369,083.22/x
  3. Step 3: Cross multiply
    655,552.80x = 904,679.88 × 369,083.22
  4. Step 4: Simplify right side
    655,552.80x = 333,902,163,179.61
  5. Step 5: Solve for x
    x = 333,902,163,179.61/655,552.80
  6. Step 6: Final answer
    x = 509,344.42

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1.5x scale

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.