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Finding the Fourth Proportional to 277,043.76, 415,237.44 and 127,157.76

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Solution

The fourth proportional to 277,043.76, 415,237.44 and 127,157.76 is: 190,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,043.76 : 415,237.44 = 127,157.76 : x
  2. Step 2: Convert to fraction form
    277,043.76/415,237.44 = 127,157.76/x
  3. Step 3: Cross multiply
    277,043.76x = 415,237.44 × 127,157.76
  4. Step 4: Simplify right side
    277,043.76x = 52,800,662,738.53
  5. Step 5: Solve for x
    x = 52,800,662,738.53/277,043.76
  6. Step 6: Final answer
    x = 190,586.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.