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Finding the Fourth Proportional to 475,292.80, 655,465.62 and 322,552.72

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Solution

The fourth proportional to 475,292.80, 655,465.62 and 322,552.72 is: 444,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,292.80 : 655,465.62 = 322,552.72 : x
  2. Step 2: Convert to fraction form
    475,292.80/655,465.62 = 322,552.72/x
  3. Step 3: Cross multiply
    475,292.80x = 655,465.62 × 322,552.72
  4. Step 4: Simplify right side
    475,292.80x = 211,422,218,597.49
  5. Step 5: Solve for x
    x = 211,422,218,597.49/475,292.80
  6. Step 6: Final answer
    x = 444,825.21

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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.