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Finding the Fourth Proportional to 245,211, 365,670.67 and 242,968.90

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Solution

The fourth proportional to 245,211, 365,670.67 and 242,968.90 is: 362,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,211 : 365,670.67 = 242,968.90 : x
  2. Step 2: Convert to fraction form
    245,211/365,670.67 = 242,968.90/x
  3. Step 3: Cross multiply
    245,211x = 365,670.67 × 242,968.90
  4. Step 4: Simplify right side
    245,211x = 88,846,600,452.16
  5. Step 5: Solve for x
    x = 88,846,600,452.16/245,211
  6. Step 6: Final answer
    x = 362,327.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.