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Finding the Fourth Proportional to 453,772.89, 624,856.05 and 443,703.33

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Solution

The fourth proportional to 453,772.89, 624,856.05 and 443,703.33 is: 610,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,772.89 : 624,856.05 = 443,703.33 : x
  2. Step 2: Convert to fraction form
    453,772.89/624,856.05 = 443,703.33/x
  3. Step 3: Cross multiply
    453,772.89x = 624,856.05 × 443,703.33
  4. Step 4: Simplify right side
    453,772.89x = 277,250,710,155.65
  5. Step 5: Solve for x
    x = 277,250,710,155.65/453,772.89
  6. Step 6: Final answer
    x = 610,990.03

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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.