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Finding the Fourth Proportional to 531,769.56, 734,112.89 and 410,638.92

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Solution

The fourth proportional to 531,769.56, 734,112.89 and 410,638.92 is: 566,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,769.56 : 734,112.89 = 410,638.92 : x
  2. Step 2: Convert to fraction form
    531,769.56/734,112.89 = 410,638.92/x
  3. Step 3: Cross multiply
    531,769.56x = 734,112.89 × 410,638.92
  4. Step 4: Simplify right side
    531,769.56x = 301,455,324,307.68
  5. Step 5: Solve for x
    x = 301,455,324,307.68/531,769.56
  6. Step 6: Final answer
    x = 566,890.90

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1.5x scale

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.