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Finding the Fourth Proportional to 326,580.90, 450,730.83 and 199,330.44

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Solution

The fourth proportional to 326,580.90, 450,730.83 and 199,330.44 is: 275,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,580.90 : 450,730.83 = 199,330.44 : x
  2. Step 2: Convert to fraction form
    326,580.90/450,730.83 = 199,330.44/x
  3. Step 3: Cross multiply
    326,580.90x = 450,730.83 × 199,330.44
  4. Step 4: Simplify right side
    326,580.90x = 89,844,374,665.47
  5. Step 5: Solve for x
    x = 89,844,374,665.47/326,580.90
  6. Step 6: Final answer
    x = 275,106.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.