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Finding the Fourth Proportional to 295,547.80, 443,379.30 and 127,067.80

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Solution

The fourth proportional to 295,547.80, 443,379.30 and 127,067.80 is: 190,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,547.80 : 443,379.30 = 127,067.80 : x
  2. Step 2: Convert to fraction form
    295,547.80/443,379.30 = 127,067.80/x
  3. Step 3: Cross multiply
    295,547.80x = 443,379.30 × 127,067.80
  4. Step 4: Simplify right side
    295,547.80x = 56,339,232,216.54
  5. Step 5: Solve for x
    x = 56,339,232,216.54/295,547.80
  6. Step 6: Final answer
    x = 190,626.46

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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.