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Finding the Fourth Proportional to 292,334.81, 438,473.48 and 198,169.88

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Solution

The fourth proportional to 292,334.81, 438,473.48 and 198,169.88 is: 297,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,334.81 : 438,473.48 = 198,169.88 : x
  2. Step 2: Convert to fraction form
    292,334.81/438,473.48 = 198,169.88/x
  3. Step 3: Cross multiply
    292,334.81x = 438,473.48 × 198,169.88
  4. Step 4: Simplify right side
    292,334.81x = 86,892,233,731.57
  5. Step 5: Solve for x
    x = 86,892,233,731.57/292,334.81
  6. Step 6: Final answer
    x = 297,235.34

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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.