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Finding the Fourth Proportional to 504,048.30, 756,072.45 and 204,672.30

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Solution

The fourth proportional to 504,048.30, 756,072.45 and 204,672.30 is: 307,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,048.30 : 756,072.45 = 204,672.30 : x
  2. Step 2: Convert to fraction form
    504,048.30/756,072.45 = 204,672.30/x
  3. Step 3: Cross multiply
    504,048.30x = 756,072.45 × 204,672.30
  4. Step 4: Simplify right side
    504,048.30x = 154,747,087,308.14
  5. Step 5: Solve for x
    x = 154,747,087,308.14/504,048.30
  6. Step 6: Final answer
    x = 307,008.45

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Double scale
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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.