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Finding the Fourth Proportional to 373,055.40, 559,144.74 and 172,954.62

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Solution

The fourth proportional to 373,055.40, 559,144.74 and 172,954.62 is: 259,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,055.40 : 559,144.74 = 172,954.62 : x
  2. Step 2: Convert to fraction form
    373,055.40/559,144.74 = 172,954.62/x
  3. Step 3: Cross multiply
    373,055.40x = 559,144.74 × 172,954.62
  4. Step 4: Simplify right side
    373,055.40x = 96,706,666,031.70
  5. Step 5: Solve for x
    x = 96,706,666,031.70/373,055.40
  6. Step 6: Final answer
    x = 259,228.70

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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.