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Finding the Fourth Proportional to 373,803.30, 515,830.41 and 204,027.30

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Solution

The fourth proportional to 373,803.30, 515,830.41 and 204,027.30 is: 281,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,803.30 : 515,830.41 = 204,027.30 : x
  2. Step 2: Convert to fraction form
    373,803.30/515,830.41 = 204,027.30/x
  3. Step 3: Cross multiply
    373,803.30x = 515,830.41 × 204,027.30
  4. Step 4: Simplify right side
    373,803.30x = 105,243,485,810.19
  5. Step 5: Solve for x
    x = 105,243,485,810.19/373,803.30
  6. Step 6: Final answer
    x = 281,547.77

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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.