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Finding the Fourth Proportional to 274,317.65, 384,307.15 and 274,317.65

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Solution

The fourth proportional to 274,317.65, 384,307.15 and 274,317.65 is: 384,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,317.65 : 384,307.15 = 274,317.65 : x
  2. Step 2: Convert to fraction form
    274,317.65/384,307.15 = 274,317.65/x
  3. Step 3: Cross multiply
    274,317.65x = 384,307.15 × 274,317.65
  4. Step 4: Simplify right side
    274,317.65x = 105,422,234,266.20
  5. Step 5: Solve for x
    x = 105,422,234,266.20/274,317.65
  6. Step 6: Final answer
    x = 384,307.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.