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Finding the Fourth Proportional to 304,164.40, 456,246.60 and 302,090.80

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Solution

The fourth proportional to 304,164.40, 456,246.60 and 302,090.80 is: 453,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,164.40 : 456,246.60 = 302,090.80 : x
  2. Step 2: Convert to fraction form
    304,164.40/456,246.60 = 302,090.80/x
  3. Step 3: Cross multiply
    304,164.40x = 456,246.60 × 302,090.80
  4. Step 4: Simplify right side
    304,164.40x = 137,827,900,391.28
  5. Step 5: Solve for x
    x = 137,827,900,391.28/304,164.40
  6. Step 6: Final answer
    x = 453,136.20

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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.