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Finding the Fourth Proportional to 559,234.20, 837,101.70 and 440,261.40

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Solution

The fourth proportional to 559,234.20, 837,101.70 and 440,261.40 is: 659,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,234.20 : 837,101.70 = 440,261.40 : x
  2. Step 2: Convert to fraction form
    559,234.20/837,101.70 = 440,261.40/x
  3. Step 3: Cross multiply
    559,234.20x = 837,101.70 × 440,261.40
  4. Step 4: Simplify right side
    559,234.20x = 368,543,566,384.38
  5. Step 5: Solve for x
    x = 368,543,566,384.38/559,234.20
  6. Step 6: Final answer
    x = 659,014.71

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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.