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Finding the Fourth Proportional to 229,407.80, 344,160.30 and 69,470.60

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Solution

The fourth proportional to 229,407.80, 344,160.30 and 69,470.60 is: 104,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,407.80 : 344,160.30 = 69,470.60 : x
  2. Step 2: Convert to fraction form
    229,407.80/344,160.30 = 69,470.60/x
  3. Step 3: Cross multiply
    229,407.80x = 344,160.30 × 69,470.60
  4. Step 4: Simplify right side
    229,407.80x = 23,909,022,537.18
  5. Step 5: Solve for x
    x = 23,909,022,537.18/229,407.80
  6. Step 6: Final answer
    x = 104,220.62

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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.