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Finding the Fourth Proportional to 373,119.89, 514,907.37 and 211,983.93

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Solution

The fourth proportional to 373,119.89, 514,907.37 and 211,983.93 is: 292,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,119.89 : 514,907.37 = 211,983.93 : x
  2. Step 2: Convert to fraction form
    373,119.89/514,907.37 = 211,983.93/x
  3. Step 3: Cross multiply
    373,119.89x = 514,907.37 × 211,983.93
  4. Step 4: Simplify right side
    373,119.89x = 109,152,087,878.56
  5. Step 5: Solve for x
    x = 109,152,087,878.56/373,119.89
  6. Step 6: Final answer
    x = 292,538.92

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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.