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Finding the Fourth Proportional to 353,228.73, 487,461.60 and 192,088.53

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Solution

The fourth proportional to 353,228.73, 487,461.60 and 192,088.53 is: 265,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,228.73 : 487,461.60 = 192,088.53 : x
  2. Step 2: Convert to fraction form
    353,228.73/487,461.60 = 192,088.53/x
  3. Step 3: Cross multiply
    353,228.73x = 487,461.60 × 192,088.53
  4. Step 4: Simplify right side
    353,228.73x = 93,635,782,175.45
  5. Step 5: Solve for x
    x = 93,635,782,175.45/353,228.73
  6. Step 6: Final answer
    x = 265,085.41

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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.