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Finding the Fourth Proportional to 326,073.60, 489,110.40 and 201,484.80

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Solution

The fourth proportional to 326,073.60, 489,110.40 and 201,484.80 is: 302,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,073.60 : 489,110.40 = 201,484.80 : x
  2. Step 2: Convert to fraction form
    326,073.60/489,110.40 = 201,484.80/x
  3. Step 3: Cross multiply
    326,073.60x = 489,110.40 × 201,484.80
  4. Step 4: Simplify right side
    326,073.60x = 98,548,311,121.92
  5. Step 5: Solve for x
    x = 98,548,311,121.92/326,073.60
  6. Step 6: Final answer
    x = 302,227.20

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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.