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Finding the Fourth Proportional to 550,672.08, 825,833.10 and 374,312.40

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Solution

The fourth proportional to 550,672.08, 825,833.10 and 374,312.40 is: 561,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,672.08 : 825,833.10 = 374,312.40 : x
  2. Step 2: Convert to fraction form
    550,672.08/825,833.10 = 374,312.40/x
  3. Step 3: Cross multiply
    550,672.08x = 825,833.10 × 374,312.40
  4. Step 4: Simplify right side
    550,672.08x = 309,119,569,660.44
  5. Step 5: Solve for x
    x = 309,119,569,660.44/550,672.08
  6. Step 6: Final answer
    x = 561,349.63

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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.