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Finding the Fourth Proportional to 277,675.01, 416,528.66 and 78,010.96

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Solution

The fourth proportional to 277,675.01, 416,528.66 and 78,010.96 is: 117,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,675.01 : 416,528.66 = 78,010.96 : x
  2. Step 2: Convert to fraction form
    277,675.01/416,528.66 = 78,010.96/x
  3. Step 3: Cross multiply
    277,675.01x = 416,528.66 × 78,010.96
  4. Step 4: Simplify right side
    277,675.01x = 32,493,800,244.06
  5. Step 5: Solve for x
    x = 32,493,800,244.06/277,675.01
  6. Step 6: Final answer
    x = 117,020.98

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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.