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Finding the Fourth Proportional to 373,089.83, 514,848.95 and 203,320.31

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Solution

The fourth proportional to 373,089.83, 514,848.95 and 203,320.31 is: 280,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,089.83 : 514,848.95 = 203,320.31 : x
  2. Step 2: Convert to fraction form
    373,089.83/514,848.95 = 203,320.31/x
  3. Step 3: Cross multiply
    373,089.83x = 514,848.95 × 203,320.31
  4. Step 4: Simplify right side
    373,089.83x = 104,679,247,100.57
  5. Step 5: Solve for x
    x = 104,679,247,100.57/373,089.83
  6. Step 6: Final answer
    x = 280,573.84

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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.