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Finding the Fourth Proportional to 504,630.94, 756,089.55 and 304,530.85

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Solution

The fourth proportional to 504,630.94, 756,089.55 and 304,530.85 is: 456,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,630.94 : 756,089.55 = 304,530.85 : x
  2. Step 2: Convert to fraction form
    504,630.94/756,089.55 = 304,530.85/x
  3. Step 3: Cross multiply
    504,630.94x = 756,089.55 × 304,530.85
  4. Step 4: Simplify right side
    504,630.94x = 230,252,593,337.62
  5. Step 5: Solve for x
    x = 230,252,593,337.62/504,630.94
  6. Step 6: Final answer
    x = 456,279.18

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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.