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Finding the Fourth Proportional to 597,170.50, 824,642.98 and 379,450.90

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Solution

The fourth proportional to 597,170.50, 824,642.98 and 379,450.90 is: 523,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,170.50 : 824,642.98 = 379,450.90 : x
  2. Step 2: Convert to fraction form
    597,170.50/824,642.98 = 379,450.90/x
  3. Step 3: Cross multiply
    597,170.50x = 824,642.98 × 379,450.90
  4. Step 4: Simplify right side
    597,170.50x = 312,911,520,939.68
  5. Step 5: Solve for x
    x = 312,911,520,939.68/597,170.50
  6. Step 6: Final answer
    x = 523,990.25

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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.