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Finding the Fourth Proportional to 922,291.08, 1,383,661.71 and 353,662.02

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Solution

The fourth proportional to 922,291.08, 1,383,661.71 and 353,662.02 is: 530,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,291.08 : 1,383,661.71 = 353,662.02 : x
  2. Step 2: Convert to fraction form
    922,291.08/1,383,661.71 = 353,662.02/x
  3. Step 3: Cross multiply
    922,291.08x = 1,383,661.71 × 353,662.02
  4. Step 4: Simplify right side
    922,291.08x = 489,348,595,355.25
  5. Step 5: Solve for x
    x = 489,348,595,355.25/922,291.08
  6. Step 6: Final answer
    x = 530,579.34

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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.