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Finding the Fourth Proportional to 483.69, 667.53 and 365.46

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Solution

The fourth proportional to 483.69, 667.53 and 365.46 is: 504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.69 : 667.53 = 365.46 : x
  2. Step 2: Convert to fraction form
    483.69/667.53 = 365.46/x
  3. Step 3: Cross multiply
    483.69x = 667.53 × 365.46
  4. Step 4: Simplify right side
    483.69x = 243,955.51
  5. Step 5: Solve for x
    x = 243,955.51/483.69
  6. Step 6: Final answer
    x = 504.36

Related Problems

Find fourth proportional to 241.85, 333.77 and 182.73
Half scale
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Double scale
Find fourth proportional to 484.69, 668.91 and 366.46
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.