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Finding the Fourth Proportional to 587,239.02, 810,376.67 and 342,208.62

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Solution

The fourth proportional to 587,239.02, 810,376.67 and 342,208.62 is: 472,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,239.02 : 810,376.67 = 342,208.62 : x
  2. Step 2: Convert to fraction form
    587,239.02/810,376.67 = 342,208.62/x
  3. Step 3: Cross multiply
    587,239.02x = 810,376.67 × 342,208.62
  4. Step 4: Simplify right side
    587,239.02x = 277,317,881,920.90
  5. Step 5: Solve for x
    x = 277,317,881,920.90/587,239.02
  6. Step 6: Final answer
    x = 472,240.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.