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Finding the Fourth Proportional to 702,336.30, 969,222.12 and 380,051.88

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Solution

The fourth proportional to 702,336.30, 969,222.12 and 380,051.88 is: 524,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,336.30 : 969,222.12 = 380,051.88 : x
  2. Step 2: Convert to fraction form
    702,336.30/969,222.12 = 380,051.88/x
  3. Step 3: Cross multiply
    702,336.30x = 969,222.12 × 380,051.88
  4. Step 4: Simplify right side
    702,336.30x = 368,354,688,843.59
  5. Step 5: Solve for x
    x = 368,354,688,843.59/702,336.30
  6. Step 6: Final answer
    x = 524,470.53

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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.