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Finding the Fourth Proportional to 347,597.68, 521,593.74 and 187,671.47

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Solution

The fourth proportional to 347,597.68, 521,593.74 and 187,671.47 is: 281,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,597.68 : 521,593.74 = 187,671.47 : x
  2. Step 2: Convert to fraction form
    347,597.68/521,593.74 = 187,671.47/x
  3. Step 3: Cross multiply
    347,597.68x = 521,593.74 × 187,671.47
  4. Step 4: Simplify right side
    347,597.68x = 97,888,263,928.60
  5. Step 5: Solve for x
    x = 97,888,263,928.60/347,597.68
  6. Step 6: Final answer
    x = 281,613.69

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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.