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Finding the Fourth Proportional to 246,082.30, 369,123.45 and 214,978.30

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Solution

The fourth proportional to 246,082.30, 369,123.45 and 214,978.30 is: 322,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,082.30 : 369,123.45 = 214,978.30 : x
  2. Step 2: Convert to fraction form
    246,082.30/369,123.45 = 214,978.30/x
  3. Step 3: Cross multiply
    246,082.30x = 369,123.45 × 214,978.30
  4. Step 4: Simplify right side
    246,082.30x = 79,353,531,771.14
  5. Step 5: Solve for x
    x = 79,353,531,771.14/246,082.30
  6. Step 6: Final answer
    x = 322,467.45

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1.5x scale

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.