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Finding the Fourth Proportional to 682,812.55, 954,166.10 and 682,812.55

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Solution

The fourth proportional to 682,812.55, 954,166.10 and 682,812.55 is: 954,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,812.55 : 954,166.10 = 682,812.55 : x
  2. Step 2: Convert to fraction form
    682,812.55/954,166.10 = 682,812.55/x
  3. Step 3: Cross multiply
    682,812.55x = 954,166.10 × 682,812.55
  4. Step 4: Simplify right side
    682,812.55x = 651,516,587,864.56
  5. Step 5: Solve for x
    x = 651,516,587,864.56/682,812.55
  6. Step 6: Final answer
    x = 954,166.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.