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Finding the Fourth Proportional to 532,782.13, 735,273.27 and 303,359.45

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Solution

The fourth proportional to 532,782.13, 735,273.27 and 303,359.45 is: 418,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,782.13 : 735,273.27 = 303,359.45 : x
  2. Step 2: Convert to fraction form
    532,782.13/735,273.27 = 303,359.45/x
  3. Step 3: Cross multiply
    532,782.13x = 735,273.27 × 303,359.45
  4. Step 4: Simplify right side
    532,782.13x = 223,052,098,167.60
  5. Step 5: Solve for x
    x = 223,052,098,167.60/532,782.13
  6. Step 6: Final answer
    x = 418,655.37

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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.