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Finding the Fourth Proportional to 569,968, 786,869.76 and 426,676.48

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Solution

The fourth proportional to 569,968, 786,869.76 and 426,676.48 is: 589,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,968 : 786,869.76 = 426,676.48 : x
  2. Step 2: Convert to fraction form
    569,968/786,869.76 = 426,676.48/x
  3. Step 3: Cross multiply
    569,968x = 786,869.76 × 426,676.48
  4. Step 4: Simplify right side
    569,968x = 335,738,819,415.25
  5. Step 5: Solve for x
    x = 335,738,819,415.25/569,968
  6. Step 6: Final answer
    x = 589,048.54

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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.