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Finding the Fourth Proportional to 511,510.55, 767,344.67 and 174,472.46

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Solution

The fourth proportional to 511,510.55, 767,344.67 and 174,472.46 is: 261,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,510.55 : 767,344.67 = 174,472.46 : x
  2. Step 2: Convert to fraction form
    511,510.55/767,344.67 = 174,472.46/x
  3. Step 3: Cross multiply
    511,510.55x = 767,344.67 × 174,472.46
  4. Step 4: Simplify right side
    511,510.55x = 133,880,512,242.79
  5. Step 5: Solve for x
    x = 133,880,512,242.79/511,510.55
  6. Step 6: Final answer
    x = 261,735.58

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1.5x scale

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.