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Finding the Fourth Proportional to 353,152.98, 487,352.30 and 192,007.53

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Solution

The fourth proportional to 353,152.98, 487,352.30 and 192,007.53 is: 264,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,152.98 : 487,352.30 = 192,007.53 : x
  2. Step 2: Convert to fraction form
    353,152.98/487,352.30 = 192,007.53/x
  3. Step 3: Cross multiply
    353,152.98x = 487,352.30 × 192,007.53
  4. Step 4: Simplify right side
    353,152.98x = 93,575,310,402.78
  5. Step 5: Solve for x
    x = 93,575,310,402.78/353,152.98
  6. Step 6: Final answer
    x = 264,971.03

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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.