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Finding the Fourth Proportional to 373,090.60, 514,849.96 and 203,321.08

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Solution

The fourth proportional to 373,090.60, 514,849.96 and 203,321.08 is: 280,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,090.60 : 514,849.96 = 203,321.08 : x
  2. Step 2: Convert to fraction form
    373,090.60/514,849.96 = 203,321.08/x
  3. Step 3: Cross multiply
    373,090.60x = 514,849.96 × 203,321.08
  4. Step 4: Simplify right side
    373,090.60x = 104,679,849,905.16
  5. Step 5: Solve for x
    x = 104,679,849,905.16/373,090.60
  6. Step 6: Final answer
    x = 280,574.88

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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.