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Finding the Fourth Proportional to 317,969.96, 438,777.89 and 182,004.98

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Solution

The fourth proportional to 317,969.96, 438,777.89 and 182,004.98 is: 251,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,969.96 : 438,777.89 = 182,004.98 : x
  2. Step 2: Convert to fraction form
    317,969.96/438,777.89 = 182,004.98/x
  3. Step 3: Cross multiply
    317,969.96x = 438,777.89 × 182,004.98
  4. Step 4: Simplify right side
    317,969.96x = 79,859,757,989.98
  5. Step 5: Solve for x
    x = 79,859,757,989.98/317,969.96
  6. Step 6: Final answer
    x = 251,155.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.