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Finding the Fourth Proportional to 366,065.37, 506,134.14 and 320,613.03

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Solution

The fourth proportional to 366,065.37, 506,134.14 and 320,613.03 is: 443,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,065.37 : 506,134.14 = 320,613.03 : x
  2. Step 2: Convert to fraction form
    366,065.37/506,134.14 = 320,613.03/x
  3. Step 3: Cross multiply
    366,065.37x = 506,134.14 × 320,613.03
  4. Step 4: Simplify right side
    366,065.37x = 162,273,200,211.84
  5. Step 5: Solve for x
    x = 162,273,200,211.84/366,065.37
  6. Step 6: Final answer
    x = 443,290.22

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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.