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Finding the Fourth Proportional to 630,433.22, 945,548.32 and 181,051.88

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Solution

The fourth proportional to 630,433.22, 945,548.32 and 181,051.88 is: 271,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,433.22 : 945,548.32 = 181,051.88 : x
  2. Step 2: Convert to fraction form
    630,433.22/945,548.32 = 181,051.88/x
  3. Step 3: Cross multiply
    630,433.22x = 945,548.32 × 181,051.88
  4. Step 4: Simplify right side
    630,433.22x = 171,193,298,602.97
  5. Step 5: Solve for x
    x = 171,193,298,602.97/630,433.22
  6. Step 6: Final answer
    x = 271,548.67

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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.