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Finding the Fourth Proportional to 504,048.80, 756,073.20 and 149,031.20

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Solution

The fourth proportional to 504,048.80, 756,073.20 and 149,031.20 is: 223,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,048.80 : 756,073.20 = 149,031.20 : x
  2. Step 2: Convert to fraction form
    504,048.80/756,073.20 = 149,031.20/x
  3. Step 3: Cross multiply
    504,048.80x = 756,073.20 × 149,031.20
  4. Step 4: Simplify right side
    504,048.80x = 112,678,496,283.84
  5. Step 5: Solve for x
    x = 112,678,496,283.84/504,048.80
  6. Step 6: Final answer
    x = 223,546.80

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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.