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Finding the Fourth Proportional to 488,570.82, 733,688.66 and 318,082.92

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Solution

The fourth proportional to 488,570.82, 733,688.66 and 318,082.92 is: 477,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,570.82 : 733,688.66 = 318,082.92 : x
  2. Step 2: Convert to fraction form
    488,570.82/733,688.66 = 318,082.92/x
  3. Step 3: Cross multiply
    488,570.82x = 733,688.66 × 318,082.92
  4. Step 4: Simplify right side
    488,570.82x = 233,373,831,343.69
  5. Step 5: Solve for x
    x = 233,373,831,343.69/488,570.82
  6. Step 6: Final answer
    x = 477,666.33

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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.