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Finding the Fourth Proportional to 292,866.84, 404,010.59 and 197,207.46

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Solution

The fourth proportional to 292,866.84, 404,010.59 and 197,207.46 is: 272,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,866.84 : 404,010.59 = 197,207.46 : x
  2. Step 2: Convert to fraction form
    292,866.84/404,010.59 = 197,207.46/x
  3. Step 3: Cross multiply
    292,866.84x = 404,010.59 × 197,207.46
  4. Step 4: Simplify right side
    292,866.84x = 79,673,901,280.96
  5. Step 5: Solve for x
    x = 79,673,901,280.96/292,866.84
  6. Step 6: Final answer
    x = 272,048.22

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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.