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Finding the Fourth Proportional to 350,609.12, 525,913.66 and 84,369.67

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Solution

The fourth proportional to 350,609.12, 525,913.66 and 84,369.67 is: 126,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,609.12 : 525,913.66 = 84,369.67 : x
  2. Step 2: Convert to fraction form
    350,609.12/525,913.66 = 84,369.67/x
  3. Step 3: Cross multiply
    350,609.12x = 525,913.66 × 84,369.67
  4. Step 4: Simplify right side
    350,609.12x = 44,371,158,891.28
  5. Step 5: Solve for x
    x = 44,371,158,891.28/350,609.12
  6. Step 6: Final answer
    x = 126,554.49

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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.