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Finding the Fourth Proportional to 922,646.80, 1,383,314 and 353,545.64

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Solution

The fourth proportional to 922,646.80, 1,383,314 and 353,545.64 is: 530,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,646.80 : 1,383,314 = 353,545.64 : x
  2. Step 2: Convert to fraction form
    922,646.80/1,383,314 = 353,545.64/x
  3. Step 3: Cross multiply
    922,646.80x = 1,383,314 × 353,545.64
  4. Step 4: Simplify right side
    922,646.80x = 489,064,633,450.96
  5. Step 5: Solve for x
    x = 489,064,633,450.96/922,646.80
  6. Step 6: Final answer
    x = 530,067.01

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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.