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Finding the Fourth Proportional to 371,401.74, 557,036.73 and 168,950.70

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Solution

The fourth proportional to 371,401.74, 557,036.73 and 168,950.70 is: 253,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,401.74 : 557,036.73 = 168,950.70 : x
  2. Step 2: Convert to fraction form
    371,401.74/557,036.73 = 168,950.70/x
  3. Step 3: Cross multiply
    371,401.74x = 557,036.73 × 168,950.70
  4. Step 4: Simplify right side
    371,401.74x = 94,111,745,459.21
  5. Step 5: Solve for x
    x = 94,111,745,459.21/371,401.74
  6. Step 6: Final answer
    x = 253,396.08

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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.