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Finding the Fourth Proportional to 292,297.72, 403,438.26 and 171,477.82

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Solution

The fourth proportional to 292,297.72, 403,438.26 and 171,477.82 is: 236,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,297.72 : 403,438.26 = 171,477.82 : x
  2. Step 2: Convert to fraction form
    292,297.72/403,438.26 = 171,477.82/x
  3. Step 3: Cross multiply
    292,297.72x = 403,438.26 × 171,477.82
  4. Step 4: Simplify right side
    292,297.72x = 69,180,713,329.39
  5. Step 5: Solve for x
    x = 69,180,713,329.39/292,297.72
  6. Step 6: Final answer
    x = 236,678.94

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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.