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Finding the Fourth Proportional to 486,630.28, 666,672.34 and 468,436.30

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Solution

The fourth proportional to 486,630.28, 666,672.34 and 468,436.30 is: 641,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,630.28 : 666,672.34 = 468,436.30 : x
  2. Step 2: Convert to fraction form
    486,630.28/666,672.34 = 468,436.30/x
  3. Step 3: Cross multiply
    486,630.28x = 666,672.34 × 468,436.30
  4. Step 4: Simplify right side
    486,630.28x = 312,293,524,261.94
  5. Step 5: Solve for x
    x = 312,293,524,261.94/486,630.28
  6. Step 6: Final answer
    x = 641,747.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.