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Finding the Fourth Proportional to 371,271.62, 556,818.09 and 171,400.10

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Solution

The fourth proportional to 371,271.62, 556,818.09 and 171,400.10 is: 257,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,271.62 : 556,818.09 = 171,400.10 : x
  2. Step 2: Convert to fraction form
    371,271.62/556,818.09 = 171,400.10/x
  3. Step 3: Cross multiply
    371,271.62x = 556,818.09 × 171,400.10
  4. Step 4: Simplify right side
    371,271.62x = 95,438,673,523.72
  5. Step 5: Solve for x
    x = 95,438,673,523.72/371,271.62
  6. Step 6: Final answer
    x = 257,058.90

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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.