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Finding the Fourth Proportional to 490,185.95, 735,908.61 and 377,937.47

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Solution

The fourth proportional to 490,185.95, 735,908.61 and 377,937.47 is: 567,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,185.95 : 735,908.61 = 377,937.47 : x
  2. Step 2: Convert to fraction form
    490,185.95/735,908.61 = 377,937.47/x
  3. Step 3: Cross multiply
    490,185.95x = 735,908.61 × 377,937.47
  4. Step 4: Simplify right side
    490,185.95x = 278,127,434,535.07
  5. Step 5: Solve for x
    x = 278,127,434,535.07/490,185.95
  6. Step 6: Final answer
    x = 567,391.70

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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.