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Finding the Fourth Proportional to 327,117.60, 491,988.60 and 293,000.40

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Solution

The fourth proportional to 327,117.60, 491,988.60 and 293,000.40 is: 440,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,117.60 : 491,988.60 = 293,000.40 : x
  2. Step 2: Convert to fraction form
    327,117.60/491,988.60 = 293,000.40/x
  3. Step 3: Cross multiply
    327,117.60x = 491,988.60 × 293,000.40
  4. Step 4: Simplify right side
    327,117.60x = 144,152,856,595.44
  5. Step 5: Solve for x
    x = 144,152,856,595.44/327,117.60
  6. Step 6: Final answer
    x = 440,675.94

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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.