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Finding the Fourth Proportional to 326,625.53, 489,938.07 and 102,005.22

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Solution

The fourth proportional to 326,625.53, 489,938.07 and 102,005.22 is: 153,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,625.53 : 489,938.07 = 102,005.22 : x
  2. Step 2: Convert to fraction form
    326,625.53/489,938.07 = 102,005.22/x
  3. Step 3: Cross multiply
    326,625.53x = 489,938.07 × 102,005.22
  4. Step 4: Simplify right side
    326,625.53x = 49,976,239,646.89
  5. Step 5: Solve for x
    x = 49,976,239,646.89/326,625.53
  6. Step 6: Final answer
    x = 153,007.76

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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.