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Finding the Fourth Proportional to 682,957.60, 942,576.48 and 381,171.04

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Solution

The fourth proportional to 682,957.60, 942,576.48 and 381,171.04 is: 526,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,957.60 : 942,576.48 = 381,171.04 : x
  2. Step 2: Convert to fraction form
    682,957.60/942,576.48 = 381,171.04/x
  3. Step 3: Cross multiply
    682,957.60x = 942,576.48 × 381,171.04
  4. Step 4: Simplify right side
    682,957.60x = 359,282,857,161.14
  5. Step 5: Solve for x
    x = 359,282,857,161.14/682,957.60
  6. Step 6: Final answer
    x = 526,069.05

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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.