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Finding the Fourth Proportional to 634,584.81, 951,872.42 and 208,416.42

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Solution

The fourth proportional to 634,584.81, 951,872.42 and 208,416.42 is: 312,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,584.81 : 951,872.42 = 208,416.42 : x
  2. Step 2: Convert to fraction form
    634,584.81/951,872.42 = 208,416.42/x
  3. Step 3: Cross multiply
    634,584.81x = 951,872.42 × 208,416.42
  4. Step 4: Simplify right side
    634,584.81x = 198,385,842,073.14
  5. Step 5: Solve for x
    x = 198,385,842,073.14/634,584.81
  6. Step 6: Final answer
    x = 312,623.06

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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.