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Finding the Fourth Proportional to 634,672.90, 952,011.57 and 161,358.31

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Solution

The fourth proportional to 634,672.90, 952,011.57 and 161,358.31 is: 242,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,672.90 : 952,011.57 = 161,358.31 : x
  2. Step 2: Convert to fraction form
    634,672.90/952,011.57 = 161,358.31/x
  3. Step 3: Cross multiply
    634,672.90x = 952,011.57 × 161,358.31
  4. Step 4: Simplify right side
    634,672.90x = 153,614,978,035.65
  5. Step 5: Solve for x
    x = 153,614,978,035.65/634,672.90
  6. Step 6: Final answer
    x = 242,038.03

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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.