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Finding the Fourth Proportional to 304,699.60, 457,091.88 and 127,165.96

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Solution

The fourth proportional to 304,699.60, 457,091.88 and 127,165.96 is: 190,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,699.60 : 457,091.88 = 127,165.96 : x
  2. Step 2: Convert to fraction form
    304,699.60/457,091.88 = 127,165.96/x
  3. Step 3: Cross multiply
    304,699.60x = 457,091.88 × 127,165.96
  4. Step 4: Simplify right side
    304,699.60x = 58,126,527,728.40
  5. Step 5: Solve for x
    x = 58,126,527,728.40/304,699.60
  6. Step 6: Final answer
    x = 190,766.67

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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.