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Finding the Fourth Proportional to 277,953.64, 383,708.28 and 186,230.88

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Solution

The fourth proportional to 277,953.64, 383,708.28 and 186,230.88 is: 257,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,953.64 : 383,708.28 = 186,230.88 : x
  2. Step 2: Convert to fraction form
    277,953.64/383,708.28 = 186,230.88/x
  3. Step 3: Cross multiply
    277,953.64x = 383,708.28 × 186,230.88
  4. Step 4: Simplify right side
    277,953.64x = 71,458,330,647.69
  5. Step 5: Solve for x
    x = 71,458,330,647.69/277,953.64
  6. Step 6: Final answer
    x = 257,087.23

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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.