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Finding the Fourth Proportional to 347,598.69, 521,595.24 and 187,672.47

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Solution

The fourth proportional to 347,598.69, 521,595.24 and 187,672.47 is: 281,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,598.69 : 521,595.24 = 187,672.47 : x
  2. Step 2: Convert to fraction form
    347,598.69/521,595.24 = 187,672.47/x
  3. Step 3: Cross multiply
    347,598.69x = 521,595.24 × 187,672.47
  4. Step 4: Simplify right side
    347,598.69x = 97,889,067,031.04
  5. Step 5: Solve for x
    x = 97,889,067,031.04/347,598.69
  6. Step 6: Final answer
    x = 281,615.18

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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.