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Finding the Fourth Proportional to 229,389.60, 343,428.30 and 229,389.60

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Solution

The fourth proportional to 229,389.60, 343,428.30 and 229,389.60 is: 343,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,389.60 : 343,428.30 = 229,389.60 : x
  2. Step 2: Convert to fraction form
    229,389.60/343,428.30 = 229,389.60/x
  3. Step 3: Cross multiply
    229,389.60x = 343,428.30 × 229,389.60
  4. Step 4: Simplify right side
    229,389.60x = 78,778,880,365.68
  5. Step 5: Solve for x
    x = 78,778,880,365.68/229,389.60
  6. Step 6: Final answer
    x = 343,428.30

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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.