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Finding the Fourth Proportional to 451,536, 623,125.68 and 247,586.40

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Solution

The fourth proportional to 451,536, 623,125.68 and 247,586.40 is: 341,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,536 : 623,125.68 = 247,586.40 : x
  2. Step 2: Convert to fraction form
    451,536/623,125.68 = 247,586.40/x
  3. Step 3: Cross multiply
    451,536x = 623,125.68 × 247,586.40
  4. Step 4: Simplify right side
    451,536x = 154,277,443,858.75
  5. Step 5: Solve for x
    x = 154,277,443,858.75/451,536
  6. Step 6: Final answer
    x = 341,672.52

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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.