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Finding the Fourth Proportional to 335,904.30, 503,856.45 and 111,299.40

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Solution

The fourth proportional to 335,904.30, 503,856.45 and 111,299.40 is: 166,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,904.30 : 503,856.45 = 111,299.40 : x
  2. Step 2: Convert to fraction form
    335,904.30/503,856.45 = 111,299.40/x
  3. Step 3: Cross multiply
    335,904.30x = 503,856.45 × 111,299.40
  4. Step 4: Simplify right side
    335,904.30x = 56,078,920,571.13
  5. Step 5: Solve for x
    x = 56,078,920,571.13/335,904.30
  6. Step 6: Final answer
    x = 166,949.10

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Similar ratio
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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.