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Finding the Fourth Proportional to 316,760.56, 437,136.64 and 180,791.84

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Solution

The fourth proportional to 316,760.56, 437,136.64 and 180,791.84 is: 249,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,760.56 : 437,136.64 = 180,791.84 : x
  2. Step 2: Convert to fraction form
    316,760.56/437,136.64 = 180,791.84/x
  3. Step 3: Cross multiply
    316,760.56x = 437,136.64 × 180,791.84
  4. Step 4: Simplify right side
    316,760.56x = 79,030,737,477.02
  5. Step 5: Solve for x
    x = 79,030,737,477.02/316,760.56
  6. Step 6: Final answer
    x = 249,496.77

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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.