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Finding the Fourth Proportional to 326,062.60, 489,093.90 and 201,473.80

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Solution

The fourth proportional to 326,062.60, 489,093.90 and 201,473.80 is: 302,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,062.60 : 489,093.90 = 201,473.80 : x
  2. Step 2: Convert to fraction form
    326,062.60/489,093.90 = 201,473.80/x
  3. Step 3: Cross multiply
    326,062.60x = 489,093.90 × 201,473.80
  4. Step 4: Simplify right side
    326,062.60x = 98,539,606,589.82
  5. Step 5: Solve for x
    x = 98,539,606,589.82/326,062.60
  6. Step 6: Final answer
    x = 302,210.70

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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.