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Finding the Fourth Proportional to 411,553.70, 617,330.55 and 366,938.90

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Solution

The fourth proportional to 411,553.70, 617,330.55 and 366,938.90 is: 550,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,553.70 : 617,330.55 = 366,938.90 : x
  2. Step 2: Convert to fraction form
    411,553.70/617,330.55 = 366,938.90/x
  3. Step 3: Cross multiply
    411,553.70x = 617,330.55 × 366,938.90
  4. Step 4: Simplify right side
    411,553.70x = 226,522,592,953.40
  5. Step 5: Solve for x
    x = 226,522,592,953.40/411,553.70
  6. Step 6: Final answer
    x = 550,408.35

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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.