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Finding the Fourth Proportional to 373,090.33, 514,849.64 and 203,320.81

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Solution

The fourth proportional to 373,090.33, 514,849.64 and 203,320.81 is: 280,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,090.33 : 514,849.64 = 203,320.81 : x
  2. Step 2: Convert to fraction form
    373,090.33/514,849.64 = 203,320.81/x
  3. Step 3: Cross multiply
    373,090.33x = 514,849.64 × 203,320.81
  4. Step 4: Simplify right side
    373,090.33x = 104,679,644,816.40
  5. Step 5: Solve for x
    x = 104,679,644,816.40/373,090.33
  6. Step 6: Final answer
    x = 280,574.53

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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.