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Finding the Fourth Proportional to 674,537.44, 930,825.12 and 372,712

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Solution

The fourth proportional to 674,537.44, 930,825.12 and 372,712 is: 514,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,537.44 : 930,825.12 = 372,712 : x
  2. Step 2: Convert to fraction form
    674,537.44/930,825.12 = 372,712/x
  3. Step 3: Cross multiply
    674,537.44x = 930,825.12 × 372,712
  4. Step 4: Simplify right side
    674,537.44x = 346,929,692,125.44
  5. Step 5: Solve for x
    x = 346,929,692,125.44/674,537.44
  6. Step 6: Final answer
    x = 514,322.37

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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.