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Finding the Fourth Proportional to 271,779.22, 375,042.78 and 150,928.21

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Solution

The fourth proportional to 271,779.22, 375,042.78 and 150,928.21 is: 208,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,779.22 : 375,042.78 = 150,928.21 : x
  2. Step 2: Convert to fraction form
    271,779.22/375,042.78 = 150,928.21/x
  3. Step 3: Cross multiply
    271,779.22x = 375,042.78 × 150,928.21
  4. Step 4: Simplify right side
    271,779.22x = 56,604,535,458.82
  5. Step 5: Solve for x
    x = 56,604,535,458.82/271,779.22
  6. Step 6: Final answer
    x = 208,273.96

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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.