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Finding the Fourth Proportional to 353,064.84, 487,234.18 and 191,922.36

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Solution

The fourth proportional to 353,064.84, 487,234.18 and 191,922.36 is: 264,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,064.84 : 487,234.18 = 191,922.36 : x
  2. Step 2: Convert to fraction form
    353,064.84/487,234.18 = 191,922.36/x
  3. Step 3: Cross multiply
    353,064.84x = 487,234.18 × 191,922.36
  4. Step 4: Simplify right side
    353,064.84x = 93,511,133,698.26
  5. Step 5: Solve for x
    x = 93,511,133,698.26/353,064.84
  6. Step 6: Final answer
    x = 264,855.41

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1.5x scale

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.