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Finding the Fourth Proportional to 304,480.80, 456,830.55 and 127,042.20

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Solution

The fourth proportional to 304,480.80, 456,830.55 and 127,042.20 is: 190,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480.80 : 456,830.55 = 127,042.20 : x
  2. Step 2: Convert to fraction form
    304,480.80/456,830.55 = 127,042.20/x
  3. Step 3: Cross multiply
    304,480.80x = 456,830.55 × 127,042.20
  4. Step 4: Simplify right side
    304,480.80x = 58,036,758,099.21
  5. Step 5: Solve for x
    x = 58,036,758,099.21/304,480.80
  6. Step 6: Final answer
    x = 190,608.93

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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.