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Finding the Fourth Proportional to 333,645.20, 499,811.70 and 310,025.60

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Solution

The fourth proportional to 333,645.20, 499,811.70 and 310,025.60 is: 464,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,645.20 : 499,811.70 = 310,025.60 : x
  2. Step 2: Convert to fraction form
    333,645.20/499,811.70 = 310,025.60/x
  3. Step 3: Cross multiply
    333,645.20x = 499,811.70 × 310,025.60
  4. Step 4: Simplify right side
    333,645.20x = 154,954,422,179.52
  5. Step 5: Solve for x
    x = 154,954,422,179.52/333,645.20
  6. Step 6: Final answer
    x = 464,428.75

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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.