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Finding the Fourth Proportional to 304,564.41, 456,890.40 and 94,218.75

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Solution

The fourth proportional to 304,564.41, 456,890.40 and 94,218.75 is: 141,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,564.41 : 456,890.40 = 94,218.75 : x
  2. Step 2: Convert to fraction form
    304,564.41/456,890.40 = 94,218.75/x
  3. Step 3: Cross multiply
    304,564.41x = 456,890.40 × 94,218.75
  4. Step 4: Simplify right side
    304,564.41x = 43,047,642,375
  5. Step 5: Solve for x
    x = 43,047,642,375/304,564.41
  6. Step 6: Final answer
    x = 141,341.67

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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.