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Finding the Fourth Proportional to 669,766.54, 924,309.93 and 411,654.75

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Solution

The fourth proportional to 669,766.54, 924,309.93 and 411,654.75 is: 568,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,766.54 : 924,309.93 = 411,654.75 : x
  2. Step 2: Convert to fraction form
    669,766.54/924,309.93 = 411,654.75/x
  3. Step 3: Cross multiply
    669,766.54x = 924,309.93 × 411,654.75
  4. Step 4: Simplify right side
    669,766.54x = 380,496,573,156.67
  5. Step 5: Solve for x
    x = 380,496,573,156.67/669,766.54
  6. Step 6: Final answer
    x = 568,103.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.