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Finding the Fourth Proportional to 373,090.58, 514,849.98 and 203,321.06

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Solution

The fourth proportional to 373,090.58, 514,849.98 and 203,321.06 is: 280,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,090.58 : 514,849.98 = 203,321.06 : x
  2. Step 2: Convert to fraction form
    373,090.58/514,849.98 = 203,321.06/x
  3. Step 3: Cross multiply
    373,090.58x = 514,849.98 × 203,321.06
  4. Step 4: Simplify right side
    373,090.58x = 104,679,843,674.58
  5. Step 5: Solve for x
    x = 104,679,843,674.58/373,090.58
  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.