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Finding the Fourth Proportional to 371,153.36, 557,009.93 and 271,570.48

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Solution

The fourth proportional to 371,153.36, 557,009.93 and 271,570.48 is: 407,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,153.36 : 557,009.93 = 271,570.48 : x
  2. Step 2: Convert to fraction form
    371,153.36/557,009.93 = 271,570.48/x
  3. Step 3: Cross multiply
    371,153.36x = 557,009.93 × 271,570.48
  4. Step 4: Simplify right side
    371,153.36x = 151,267,453,341.27
  5. Step 5: Solve for x
    x = 151,267,453,341.27/371,153.36
  6. Step 6: Final answer
    x = 407,560.51

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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.