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Finding the Fourth Proportional to 304,266.60, 456,302.70 and 126,730.80

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Solution

The fourth proportional to 304,266.60, 456,302.70 and 126,730.80 is: 190,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,266.60 : 456,302.70 = 126,730.80 : x
  2. Step 2: Convert to fraction form
    304,266.60/456,302.70 = 126,730.80/x
  3. Step 3: Cross multiply
    304,266.60x = 456,302.70 × 126,730.80
  4. Step 4: Simplify right side
    304,266.60x = 57,827,606,213.16
  5. Step 5: Solve for x
    x = 57,827,606,213.16/304,266.60
  6. Step 6: Final answer
    x = 190,055.71

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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.