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Finding the Fourth Proportional to 224,999.40, 337,628.70 and 84,858.60

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Solution

The fourth proportional to 224,999.40, 337,628.70 and 84,858.60 is: 127,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,999.40 : 337,628.70 = 84,858.60 : x
  2. Step 2: Convert to fraction form
    224,999.40/337,628.70 = 84,858.60/x
  3. Step 3: Cross multiply
    224,999.40x = 337,628.70 × 84,858.60
  4. Step 4: Simplify right side
    224,999.40x = 28,650,698,801.82
  5. Step 5: Solve for x
    x = 28,650,698,801.82/224,999.40
  6. Step 6: Final answer
    x = 127,336.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.