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Finding the Fourth Proportional to 277,853.01, 416,779.52 and 67,489.53

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Solution

The fourth proportional to 277,853.01, 416,779.52 and 67,489.53 is: 101,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,853.01 : 416,779.52 = 67,489.53 : x
  2. Step 2: Convert to fraction form
    277,853.01/416,779.52 = 67,489.53/x
  3. Step 3: Cross multiply
    277,853.01x = 416,779.52 × 67,489.53
  4. Step 4: Simplify right side
    277,853.01x = 28,128,253,580.98
  5. Step 5: Solve for x
    x = 28,128,253,580.98/277,853.01
  6. Step 6: Final answer
    x = 101,234.30

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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.