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Finding the Fourth Proportional to 333,731.60, 501,763.80 and 326,733.20

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Solution

The fourth proportional to 333,731.60, 501,763.80 and 326,733.20 is: 491,241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,731.60 : 501,763.80 = 326,733.20 : x
  2. Step 2: Convert to fraction form
    333,731.60/501,763.80 = 326,733.20/x
  3. Step 3: Cross multiply
    333,731.60x = 501,763.80 × 326,733.20
  4. Step 4: Simplify right side
    333,731.60x = 163,942,892,018.16
  5. Step 5: Solve for x
    x = 163,942,892,018.16/333,731.60
  6. Step 6: Final answer
    x = 491,241.74

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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.