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Finding the Fourth Proportional to 292,983.75, 404,347.68 and 178,270.74

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Solution

The fourth proportional to 292,983.75, 404,347.68 and 178,270.74 is: 246,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,983.75 : 404,347.68 = 178,270.74 : x
  2. Step 2: Convert to fraction form
    292,983.75/404,347.68 = 178,270.74/x
  3. Step 3: Cross multiply
    292,983.75x = 404,347.68 × 178,270.74
  4. Step 4: Simplify right side
    292,983.75x = 72,083,360,130.88
  5. Step 5: Solve for x
    x = 72,083,360,130.88/292,983.75
  6. Step 6: Final answer
    x = 246,031.94

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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.