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Finding the Fourth Proportional to 634,064.28, 951,220.74 and 234,708.48

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Solution

The fourth proportional to 634,064.28, 951,220.74 and 234,708.48 is: 352,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,064.28 : 951,220.74 = 234,708.48 : x
  2. Step 2: Convert to fraction form
    634,064.28/951,220.74 = 234,708.48/x
  3. Step 3: Cross multiply
    634,064.28x = 951,220.74 × 234,708.48
  4. Step 4: Simplify right side
    634,064.28x = 223,259,574,029.88
  5. Step 5: Solve for x
    x = 223,259,574,029.88/634,064.28
  6. Step 6: Final answer
    x = 352,108.74

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Similar ratio
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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.