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Finding the Fourth Proportional to 540,343.72, 745,675.22 and 298,626.22

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Solution

The fourth proportional to 540,343.72, 745,675.22 and 298,626.22 is: 412,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,343.72 : 745,675.22 = 298,626.22 : x
  2. Step 2: Convert to fraction form
    540,343.72/745,675.22 = 298,626.22/x
  3. Step 3: Cross multiply
    540,343.72x = 745,675.22 × 298,626.22
  4. Step 4: Simplify right side
    540,343.72x = 222,678,172,296.27
  5. Step 5: Solve for x
    x = 222,678,172,296.27/540,343.72
  6. Step 6: Final answer
    x = 412,104.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.