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Finding the Fourth Proportional to 923,510, 1,274,655.96 and 541,659.80

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Solution

The fourth proportional to 923,510, 1,274,655.96 and 541,659.80 is: 747,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,510 : 1,274,655.96 = 541,659.80 : x
  2. Step 2: Convert to fraction form
    923,510/1,274,655.96 = 541,659.80/x
  3. Step 3: Cross multiply
    923,510x = 1,274,655.96 × 541,659.80
  4. Step 4: Simplify right side
    923,510x = 690,429,892,362.41
  5. Step 5: Solve for x
    x = 690,429,892,362.41/923,510
  6. Step 6: Final answer
    x = 747,614.96

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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.