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Finding the Fourth Proportional to 250,003.40, 373,911.60 and 223,540.70

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Solution

The fourth proportional to 250,003.40, 373,911.60 and 223,540.70 is: 334,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,003.40 : 373,911.60 = 223,540.70 : x
  2. Step 2: Convert to fraction form
    250,003.40/373,911.60 = 223,540.70/x
  3. Step 3: Cross multiply
    250,003.40x = 373,911.60 × 223,540.70
  4. Step 4: Simplify right side
    250,003.40x = 83,584,460,802.12
  5. Step 5: Solve for x
    x = 83,584,460,802.12/250,003.40
  6. Step 6: Final answer
    x = 334,333.30

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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.