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Finding the Fourth Proportional to 674,047.82, 930,181.26 and 368,124.29

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Solution

The fourth proportional to 674,047.82, 930,181.26 and 368,124.29 is: 508,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,047.82 : 930,181.26 = 368,124.29 : x
  2. Step 2: Convert to fraction form
    674,047.82/930,181.26 = 368,124.29/x
  3. Step 3: Cross multiply
    674,047.82x = 930,181.26 × 368,124.29
  4. Step 4: Simplify right side
    674,047.82x = 342,422,316,126.55
  5. Step 5: Solve for x
    x = 342,422,316,126.55/674,047.82
  6. Step 6: Final answer
    x = 508,008.93

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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.