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Finding the Fourth Proportional to 922,403.22, 1,383,872.54 and 382,560.50

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Solution

The fourth proportional to 922,403.22, 1,383,872.54 and 382,560.50 is: 573,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,403.22 : 1,383,872.54 = 382,560.50 : x
  2. Step 2: Convert to fraction form
    922,403.22/1,383,872.54 = 382,560.50/x
  3. Step 3: Cross multiply
    922,403.22x = 1,383,872.54 × 382,560.50
  4. Step 4: Simplify right side
    922,403.22x = 529,414,962,006.51
  5. Step 5: Solve for x
    x = 529,414,962,006.51/922,403.22
  6. Step 6: Final answer
    x = 573,951.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.