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Finding the Fourth Proportional to 579,739.80, 869,760.90 and 224,765.40

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Solution

The fourth proportional to 579,739.80, 869,760.90 and 224,765.40 is: 337,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,739.80 : 869,760.90 = 224,765.40 : x
  2. Step 2: Convert to fraction form
    579,739.80/869,760.90 = 224,765.40/x
  3. Step 3: Cross multiply
    579,739.80x = 869,760.90 × 224,765.40
  4. Step 4: Simplify right side
    579,739.80x = 195,492,156,592.86
  5. Step 5: Solve for x
    x = 195,492,156,592.86/579,739.80
  6. Step 6: Final answer
    x = 337,206.72

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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.