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Finding the Fourth Proportional to 307,270.90, 460,906.35 and 223,290.10

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Solution

The fourth proportional to 307,270.90, 460,906.35 and 223,290.10 is: 334,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,270.90 : 460,906.35 = 223,290.10 : x
  2. Step 2: Convert to fraction form
    307,270.90/460,906.35 = 223,290.10/x
  3. Step 3: Cross multiply
    307,270.90x = 460,906.35 × 223,290.10
  4. Step 4: Simplify right side
    307,270.90x = 102,915,824,982.14
  5. Step 5: Solve for x
    x = 102,915,824,982.14/307,270.90
  6. Step 6: Final answer
    x = 334,935.15

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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.