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Finding the Fourth Proportional to 634,080.76, 951,237.74 and 207,640.33

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Solution

The fourth proportional to 634,080.76, 951,237.74 and 207,640.33 is: 311,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,080.76 : 951,237.74 = 207,640.33 : x
  2. Step 2: Convert to fraction form
    634,080.76/951,237.74 = 207,640.33/x
  3. Step 3: Cross multiply
    634,080.76x = 951,237.74 × 207,640.33
  4. Step 4: Simplify right side
    634,080.76x = 197,515,316,383.06
  5. Step 5: Solve for x
    x = 197,515,316,383.06/634,080.76
  6. Step 6: Final answer
    x = 311,498.68

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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.