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Finding the Fourth Proportional to 504,488.84, 756,711.38 and 125,401.54

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Solution

The fourth proportional to 504,488.84, 756,711.38 and 125,401.54 is: 188,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,488.84 : 756,711.38 = 125,401.54 : x
  2. Step 2: Convert to fraction form
    504,488.84/756,711.38 = 125,401.54/x
  3. Step 3: Cross multiply
    504,488.84x = 756,711.38 × 125,401.54
  4. Step 4: Simplify right side
    504,488.84x = 94,892,772,387.53
  5. Step 5: Solve for x
    x = 94,892,772,387.53/504,488.84
  6. Step 6: Final answer
    x = 188,096.87

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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.