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Finding the Fourth Proportional to 682,573.32, 941,951.18 and 380,767.32

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Solution

The fourth proportional to 682,573.32, 941,951.18 and 380,767.32 is: 525,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,573.32 : 941,951.18 = 380,767.32 : x
  2. Step 2: Convert to fraction form
    682,573.32/941,951.18 = 380,767.32/x
  3. Step 3: Cross multiply
    682,573.32x = 941,951.18 × 380,767.32
  4. Step 4: Simplify right side
    682,573.32x = 358,664,224,475.60
  5. Step 5: Solve for x
    x = 358,664,224,475.60/682,573.32
  6. Step 6: Final answer
    x = 525,458.90

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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.