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Finding the Fourth Proportional to 606,116.96, 909,736.32 and 306,807.84

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Solution

The fourth proportional to 606,116.96, 909,736.32 and 306,807.84 is: 460,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,116.96 : 909,736.32 = 306,807.84 : x
  2. Step 2: Convert to fraction form
    606,116.96/909,736.32 = 306,807.84/x
  3. Step 3: Cross multiply
    606,116.96x = 909,736.32 × 306,807.84
  4. Step 4: Simplify right side
    606,116.96x = 279,114,235,308.75
  5. Step 5: Solve for x
    x = 279,114,235,308.75/606,116.96
  6. Step 6: Final answer
    x = 460,495.67

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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.