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Finding the Fourth Proportional to 229,091.60, 343,637.40 and 216,844.40

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Solution

The fourth proportional to 229,091.60, 343,637.40 and 216,844.40 is: 325,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,091.60 : 343,637.40 = 216,844.40 : x
  2. Step 2: Convert to fraction form
    229,091.60/343,637.40 = 216,844.40/x
  3. Step 3: Cross multiply
    229,091.60x = 343,637.40 × 216,844.40
  4. Step 4: Simplify right side
    229,091.60x = 74,515,845,820.56
  5. Step 5: Solve for x
    x = 74,515,845,820.56/229,091.60
  6. Step 6: Final answer
    x = 325,266.60

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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.