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Finding the Fourth Proportional to 504,630.70, 756,089.18 and 304,530.60

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Solution

The fourth proportional to 504,630.70, 756,089.18 and 304,530.60 is: 456,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,630.70 : 756,089.18 = 304,530.60 : x
  2. Step 2: Convert to fraction form
    504,630.70/756,089.18 = 304,530.60/x
  3. Step 3: Cross multiply
    504,630.70x = 756,089.18 × 304,530.60
  4. Step 4: Simplify right side
    504,630.70x = 230,252,291,638.91
  5. Step 5: Solve for x
    x = 230,252,291,638.91/504,630.70
  6. Step 6: Final answer
    x = 456,278.80

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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.