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Finding the Fourth Proportional to 397,780.47, 596,672.33 and 161,127.63

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Solution

The fourth proportional to 397,780.47, 596,672.33 and 161,127.63 is: 241,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,780.47 : 596,672.33 = 161,127.63 : x
  2. Step 2: Convert to fraction form
    397,780.47/596,672.33 = 161,127.63/x
  3. Step 3: Cross multiply
    397,780.47x = 596,672.33 × 161,127.63
  4. Step 4: Simplify right side
    397,780.47x = 96,140,397,613.84
  5. Step 5: Solve for x
    x = 96,140,397,613.84/397,780.47
  6. Step 6: Final answer
    x = 241,692.10

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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.