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Finding the Fourth Proportional to 304,454.30, 456,811.05 and 192,220.70

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Solution

The fourth proportional to 304,454.30, 456,811.05 and 192,220.70 is: 288,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,454.30 : 456,811.05 = 192,220.70 : x
  2. Step 2: Convert to fraction form
    304,454.30/456,811.05 = 192,220.70/x
  3. Step 3: Cross multiply
    304,454.30x = 456,811.05 × 192,220.70
  4. Step 4: Simplify right side
    304,454.30x = 87,808,539,798.74
  5. Step 5: Solve for x
    x = 87,808,539,798.74/304,454.30
  6. Step 6: Final answer
    x = 288,412.87

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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.