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Finding the Fourth Proportional to 331,516.53, 457,492.86 and 180,613.53

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Solution

The fourth proportional to 331,516.53, 457,492.86 and 180,613.53 is: 249,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,516.53 : 457,492.86 = 180,613.53 : x
  2. Step 2: Convert to fraction form
    331,516.53/457,492.86 = 180,613.53/x
  3. Step 3: Cross multiply
    331,516.53x = 457,492.86 × 180,613.53
  4. Step 4: Simplify right side
    331,516.53x = 82,629,400,394.40
  5. Step 5: Solve for x
    x = 82,629,400,394.40/331,516.53
  6. Step 6: Final answer
    x = 249,246.70

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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.