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Finding the Fourth Proportional to 570,701.42, 856,063.04 and 186,451.33

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Solution

The fourth proportional to 570,701.42, 856,063.04 and 186,451.33 is: 279,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,701.42 : 856,063.04 = 186,451.33 : x
  2. Step 2: Convert to fraction form
    570,701.42/856,063.04 = 186,451.33/x
  3. Step 3: Cross multiply
    570,701.42x = 856,063.04 × 186,451.33
  4. Step 4: Simplify right side
    570,701.42x = 159,614,089,299.43
  5. Step 5: Solve for x
    x = 159,614,089,299.43/570,701.42
  6. Step 6: Final answer
    x = 279,680.56

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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.