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Finding the Fourth Proportional to 333,429.60, 501,310.80 and 326,431.20

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Solution

The fourth proportional to 333,429.60, 501,310.80 and 326,431.20 is: 490,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,429.60 : 501,310.80 = 326,431.20 : x
  2. Step 2: Convert to fraction form
    333,429.60/501,310.80 = 326,431.20/x
  3. Step 3: Cross multiply
    333,429.60x = 501,310.80 × 326,431.20
  4. Step 4: Simplify right side
    333,429.60x = 163,643,486,016.96
  5. Step 5: Solve for x
    x = 163,643,486,016.96/333,429.60
  6. Step 6: Final answer
    x = 490,788.72

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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.