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Finding the Fourth Proportional to 229,546.80, 344,368.80 and 69,609.60

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Solution

The fourth proportional to 229,546.80, 344,368.80 and 69,609.60 is: 104,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,546.80 : 344,368.80 = 69,609.60 : x
  2. Step 2: Convert to fraction form
    229,546.80/344,368.80 = 69,609.60/x
  3. Step 3: Cross multiply
    229,546.80x = 344,368.80 × 69,609.60
  4. Step 4: Simplify right side
    229,546.80x = 23,971,374,420.48
  5. Step 5: Solve for x
    x = 23,971,374,420.48/229,546.80
  6. Step 6: Final answer
    x = 104,429.14

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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.