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Finding the Fourth Proportional to 443,607.56, 665,466.62 and 173,700.84

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Solution

The fourth proportional to 443,607.56, 665,466.62 and 173,700.84 is: 260,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,607.56 : 665,466.62 = 173,700.84 : x
  2. Step 2: Convert to fraction form
    443,607.56/665,466.62 = 173,700.84/x
  3. Step 3: Cross multiply
    443,607.56x = 665,466.62 × 173,700.84
  4. Step 4: Simplify right side
    443,607.56x = 115,592,110,885.96
  5. Step 5: Solve for x
    x = 115,592,110,885.96/443,607.56
  6. Step 6: Final answer
    x = 260,572.91

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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.