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Finding the Fourth Proportional to 630,440.85, 945,559.74 and 181,059.51

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Solution

The fourth proportional to 630,440.85, 945,559.74 and 181,059.51 is: 271,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,440.85 : 945,559.74 = 181,059.51 : x
  2. Step 2: Convert to fraction form
    630,440.85/945,559.74 = 181,059.51/x
  3. Step 3: Cross multiply
    630,440.85x = 945,559.74 × 181,059.51
  4. Step 4: Simplify right side
    630,440.85x = 171,202,583,200.13
  5. Step 5: Solve for x
    x = 171,202,583,200.13/630,440.85
  6. Step 6: Final answer
    x = 271,560.10

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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.