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Finding the Fourth Proportional to 326,227, 489,410.90 and 101,582.84

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Solution

The fourth proportional to 326,227, 489,410.90 and 101,582.84 is: 152,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,227 : 489,410.90 = 101,582.84 : x
  2. Step 2: Convert to fraction form
    326,227/489,410.90 = 101,582.84/x
  3. Step 3: Cross multiply
    326,227x = 489,410.90 × 101,582.84
  4. Step 4: Simplify right side
    326,227x = 49,715,749,148.96
  5. Step 5: Solve for x
    x = 49,715,749,148.96/326,227
  6. Step 6: Final answer
    x = 152,396.18

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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.