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Finding the Fourth Proportional to 271,290.95, 374,363.26 and 150,427.76

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Solution

The fourth proportional to 271,290.95, 374,363.26 and 150,427.76 is: 207,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,290.95 : 374,363.26 = 150,427.76 : x
  2. Step 2: Convert to fraction form
    271,290.95/374,363.26 = 150,427.76/x
  3. Step 3: Cross multiply
    271,290.95x = 374,363.26 × 150,427.76
  4. Step 4: Simplify right side
    271,290.95x = 56,314,625,784.07
  5. Step 5: Solve for x
    x = 56,314,625,784.07/271,290.95
  6. Step 6: Final answer
    x = 207,580.19

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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.