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Finding the Fourth Proportional to 632,361.46, 872,636.72 and 360,516.90

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Solution

The fourth proportional to 632,361.46, 872,636.72 and 360,516.90 is: 497,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,361.46 : 872,636.72 = 360,516.90 : x
  2. Step 2: Convert to fraction form
    632,361.46/872,636.72 = 360,516.90/x
  3. Step 3: Cross multiply
    632,361.46x = 872,636.72 × 360,516.90
  4. Step 4: Simplify right side
    632,361.46x = 314,600,285,120.57
  5. Step 5: Solve for x
    x = 314,600,285,120.57/632,361.46
  6. Step 6: Final answer
    x = 497,500.73

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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.