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Finding the Fourth Proportional to 462,885.70, 694,328.55 and 384,153.70

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Solution

The fourth proportional to 462,885.70, 694,328.55 and 384,153.70 is: 576,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,885.70 : 694,328.55 = 384,153.70 : x
  2. Step 2: Convert to fraction form
    462,885.70/694,328.55 = 384,153.70/x
  3. Step 3: Cross multiply
    462,885.70x = 694,328.55 × 384,153.70
  4. Step 4: Simplify right side
    462,885.70x = 266,728,881,498.14
  5. Step 5: Solve for x
    x = 266,728,881,498.14/462,885.70
  6. Step 6: Final answer
    x = 576,230.55

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Similar ratio
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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.