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Finding the Fourth Proportional to 304,552.20, 456,828.30 and 127,000.20

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Solution

The fourth proportional to 304,552.20, 456,828.30 and 127,000.20 is: 190,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,552.20 : 456,828.30 = 127,000.20 : x
  2. Step 2: Convert to fraction form
    304,552.20/456,828.30 = 127,000.20/x
  3. Step 3: Cross multiply
    304,552.20x = 456,828.30 × 127,000.20
  4. Step 4: Simplify right side
    304,552.20x = 58,017,285,465.66
  5. Step 5: Solve for x
    x = 58,017,285,465.66/304,552.20
  6. Step 6: Final answer
    x = 190,500.30

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Similar ratio
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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.