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Finding the Fourth Proportional to 504,898.40, 756,625.80 and 370,725.92

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Solution

The fourth proportional to 504,898.40, 756,625.80 and 370,725.92 is: 555,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,898.40 : 756,625.80 = 370,725.92 : x
  2. Step 2: Convert to fraction form
    504,898.40/756,625.80 = 370,725.92/x
  3. Step 3: Cross multiply
    504,898.40x = 756,625.80 × 370,725.92
  4. Step 4: Simplify right side
    504,898.40x = 280,500,795,800.74
  5. Step 5: Solve for x
    x = 280,500,795,800.74/504,898.40
  6. Step 6: Final answer
    x = 555,558.89

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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.