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Finding the Fourth Proportional to 504,095.40, 756,143.12 and 149,081.78

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Solution

The fourth proportional to 504,095.40, 756,143.12 and 149,081.78 is: 223,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,095.40 : 756,143.12 = 149,081.78 : x
  2. Step 2: Convert to fraction form
    504,095.40/756,143.12 = 149,081.78/x
  3. Step 3: Cross multiply
    504,095.40x = 756,143.12 × 149,081.78
  4. Step 4: Simplify right side
    504,095.40x = 112,727,157,738.23
  5. Step 5: Solve for x
    x = 112,727,157,738.23/504,095.40
  6. Step 6: Final answer
    x = 223,622.67

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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.