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Finding the Fourth Proportional to 364,896.86, 503,905.47 and 345,017.30

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Solution

The fourth proportional to 364,896.86, 503,905.47 and 345,017.30 is: 476,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,896.86 : 503,905.47 = 345,017.30 : x
  2. Step 2: Convert to fraction form
    364,896.86/503,905.47 = 345,017.30/x
  3. Step 3: Cross multiply
    364,896.86x = 503,905.47 × 345,017.30
  4. Step 4: Simplify right side
    364,896.86x = 173,856,104,714.63
  5. Step 5: Solve for x
    x = 173,856,104,714.63/364,896.86
  6. Step 6: Final answer
    x = 476,452.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.