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Finding the Fourth Proportional to 304,083.60, 456,125.40 and 192,109.20

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Solution

The fourth proportional to 304,083.60, 456,125.40 and 192,109.20 is: 288,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,083.60 : 456,125.40 = 192,109.20 : x
  2. Step 2: Convert to fraction form
    304,083.60/456,125.40 = 192,109.20/x
  3. Step 3: Cross multiply
    304,083.60x = 456,125.40 × 192,109.20
  4. Step 4: Simplify right side
    304,083.60x = 87,625,885,693.68
  5. Step 5: Solve for x
    x = 87,625,885,693.68/304,083.60
  6. Step 6: Final answer
    x = 288,163.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.