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Finding the Fourth Proportional to 616,190.85, 924,286.28 and 284,414.85

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Solution

The fourth proportional to 616,190.85, 924,286.28 and 284,414.85 is: 426,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,190.85 : 924,286.28 = 284,414.85 : x
  2. Step 2: Convert to fraction form
    616,190.85/924,286.28 = 284,414.85/x
  3. Step 3: Cross multiply
    616,190.85x = 924,286.28 × 284,414.85
  4. Step 4: Simplify right side
    616,190.85x = 262,880,742,261.18
  5. Step 5: Solve for x
    x = 262,880,742,261.18/616,190.85
  6. Step 6: Final answer
    x = 426,622.28

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Similar ratio
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1.5x scale

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.