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Finding the Fourth Proportional to 528,902.43, 793,379.16 and 173,908.59

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Solution

The fourth proportional to 528,902.43, 793,379.16 and 173,908.59 is: 260,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,902.43 : 793,379.16 = 173,908.59 : x
  2. Step 2: Convert to fraction form
    528,902.43/793,379.16 = 173,908.59/x
  3. Step 3: Cross multiply
    528,902.43x = 793,379.16 × 173,908.59
  4. Step 4: Simplify right side
    528,902.43x = 137,975,451,050.98
  5. Step 5: Solve for x
    x = 137,975,451,050.98/528,902.43
  6. Step 6: Final answer
    x = 260,871.27

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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.