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Finding the Fourth Proportional to 353,000.92, 487,145 and 191,855.96

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Solution

The fourth proportional to 353,000.92, 487,145 and 191,855.96 is: 264,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,000.92 : 487,145 = 191,855.96 : x
  2. Step 2: Convert to fraction form
    353,000.92/487,145 = 191,855.96/x
  3. Step 3: Cross multiply
    353,000.92x = 487,145 × 191,855.96
  4. Step 4: Simplify right side
    353,000.92x = 93,461,671,634.20
  5. Step 5: Solve for x
    x = 93,461,671,634.20/353,000.92
  6. Step 6: Final answer
    x = 264,763.25

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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.