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Finding the Fourth Proportional to 235,466.10, 353,199.15 and 223,485.30

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Solution

The fourth proportional to 235,466.10, 353,199.15 and 223,485.30 is: 335,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,466.10 : 353,199.15 = 223,485.30 : x
  2. Step 2: Convert to fraction form
    235,466.10/353,199.15 = 223,485.30/x
  3. Step 3: Cross multiply
    235,466.10x = 353,199.15 × 223,485.30
  4. Step 4: Simplify right side
    235,466.10x = 78,934,817,997.50
  5. Step 5: Solve for x
    x = 78,934,817,997.50/235,466.10
  6. Step 6: Final answer
    x = 335,227.95

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Double scale
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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.