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Finding the Fourth Proportional to 235,358.66, 324,951.36 and 180,813.69

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Solution

The fourth proportional to 235,358.66, 324,951.36 and 180,813.69 is: 249,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,358.66 : 324,951.36 = 180,813.69 : x
  2. Step 2: Convert to fraction form
    235,358.66/324,951.36 = 180,813.69/x
  3. Step 3: Cross multiply
    235,358.66x = 324,951.36 × 180,813.69
  4. Step 4: Simplify right side
    235,358.66x = 58,755,653,433.72
  5. Step 5: Solve for x
    x = 58,755,653,433.72/235,358.66
  6. Step 6: Final answer
    x = 249,643.05

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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.