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Finding the Fourth Proportional to 220,651.54, 304,591.81 and 186,835.34

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Solution

The fourth proportional to 220,651.54, 304,591.81 and 186,835.34 is: 257,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,651.54 : 304,591.81 = 186,835.34 : x
  2. Step 2: Convert to fraction form
    220,651.54/304,591.81 = 186,835.34/x
  3. Step 3: Cross multiply
    220,651.54x = 304,591.81 × 186,835.34
  4. Step 4: Simplify right side
    220,651.54x = 56,908,514,382.57
  5. Step 5: Solve for x
    x = 56,908,514,382.57/220,651.54
  6. Step 6: Final answer
    x = 257,911.25

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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.