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Finding the Fourth Proportional to 606.69, 837.32 and 370.67

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Solution

The fourth proportional to 606.69, 837.32 and 370.67 is: 511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.69 : 837.32 = 370.67 : x
  2. Step 2: Convert to fraction form
    606.69/837.32 = 370.67/x
  3. Step 3: Cross multiply
    606.69x = 837.32 × 370.67
  4. Step 4: Simplify right side
    606.69x = 310,363.36
  5. Step 5: Solve for x
    x = 310,363.36/606.69
  6. Step 6: Final answer
    x = 511.57

Related Problems

Find fourth proportional to 303.35, 418.66 and 185.33
Half scale
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Double scale
Find fourth proportional to 607.69, 838.70 and 371.67
Similar ratio
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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.