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Finding the Fourth Proportional to 499,244.40, 747,311.40 and 359,276.40

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Solution

The fourth proportional to 499,244.40, 747,311.40 and 359,276.40 is: 537,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,244.40 : 747,311.40 = 359,276.40 : x
  2. Step 2: Convert to fraction form
    499,244.40/747,311.40 = 359,276.40/x
  3. Step 3: Cross multiply
    499,244.40x = 747,311.40 × 359,276.40
  4. Step 4: Simplify right side
    499,244.40x = 268,491,349,470.96
  5. Step 5: Solve for x
    x = 268,491,349,470.96/499,244.40
  6. Step 6: Final answer
    x = 537,795.42

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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.