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Finding the Fourth Proportional to 292,603.24, 403,791.78 and 158,467.24

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Solution

The fourth proportional to 292,603.24, 403,791.78 and 158,467.24 is: 218,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,603.24 : 403,791.78 = 158,467.24 : x
  2. Step 2: Convert to fraction form
    292,603.24/403,791.78 = 158,467.24/x
  3. Step 3: Cross multiply
    292,603.24x = 403,791.78 × 158,467.24
  4. Step 4: Simplify right side
    292,603.24x = 63,987,768,911.29
  5. Step 5: Solve for x
    x = 63,987,768,911.29/292,603.24
  6. Step 6: Final answer
    x = 218,684.42

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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.