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Finding the Fourth Proportional to 873,773.10, 1,310,846.76 and 494,872.92

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Solution

The fourth proportional to 873,773.10, 1,310,846.76 and 494,872.92 is: 742,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,773.10 : 1,310,846.76 = 494,872.92 : x
  2. Step 2: Convert to fraction form
    873,773.10/1,310,846.76 = 494,872.92/x
  3. Step 3: Cross multiply
    873,773.10x = 1,310,846.76 × 494,872.92
  4. Step 4: Simplify right side
    873,773.10x = 648,702,563,793.74
  5. Step 5: Solve for x
    x = 648,702,563,793.74/873,773.10
  6. Step 6: Final answer
    x = 742,415.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.