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Finding the Fourth Proportional to 489,094.50, 674,957.30 and 295,475.29

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Solution

The fourth proportional to 489,094.50, 674,957.30 and 295,475.29 is: 407,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,094.50 : 674,957.30 = 295,475.29 : x
  2. Step 2: Convert to fraction form
    489,094.50/674,957.30 = 295,475.29/x
  3. Step 3: Cross multiply
    489,094.50x = 674,957.30 × 295,475.29
  4. Step 4: Simplify right side
    489,094.50x = 199,433,203,955.12
  5. Step 5: Solve for x
    x = 199,433,203,955.12/489,094.50
  6. Step 6: Final answer
    x = 407,760.06

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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.