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Finding the Fourth Proportional to 333,436.60, 501,321.30 and 326,438.20

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Solution

The fourth proportional to 333,436.60, 501,321.30 and 326,438.20 is: 490,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,436.60 : 501,321.30 = 326,438.20 : x
  2. Step 2: Convert to fraction form
    333,436.60/501,321.30 = 326,438.20/x
  3. Step 3: Cross multiply
    333,436.60x = 501,321.30 × 326,438.20
  4. Step 4: Simplify right side
    333,436.60x = 163,650,422,793.66
  5. Step 5: Solve for x
    x = 163,650,422,793.66/333,436.60
  6. Step 6: Final answer
    x = 490,799.22

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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.