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Finding the Fourth Proportional to 443,817.54, 612,467.37 and 242,613.54

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Solution

The fourth proportional to 443,817.54, 612,467.37 and 242,613.54 is: 334,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,817.54 : 612,467.37 = 242,613.54 : x
  2. Step 2: Convert to fraction form
    443,817.54/612,467.37 = 242,613.54/x
  3. Step 3: Cross multiply
    443,817.54x = 612,467.37 × 242,613.54
  4. Step 4: Simplify right side
    443,817.54x = 148,592,876,770.19
  5. Step 5: Solve for x
    x = 148,592,876,770.19/443,817.54
  6. Step 6: Final answer
    x = 334,806.23

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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.