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Finding the Fourth Proportional to 626,096.76, 863,054.82 and 383,930.25

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Solution

The fourth proportional to 626,096.76, 863,054.82 and 383,930.25 is: 529,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,096.76 : 863,054.82 = 383,930.25 : x
  2. Step 2: Convert to fraction form
    626,096.76/863,054.82 = 383,930.25/x
  3. Step 3: Cross multiply
    626,096.76x = 863,054.82 × 383,930.25
  4. Step 4: Simplify right side
    626,096.76x = 331,352,852,806.31
  5. Step 5: Solve for x
    x = 331,352,852,806.31/626,096.76
  6. Step 6: Final answer
    x = 529,235.85

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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.