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Finding the Fourth Proportional to 545,599.86, 752,898.03 and 300,536.63

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Solution

The fourth proportional to 545,599.86, 752,898.03 and 300,536.63 is: 414,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,599.86 : 752,898.03 = 300,536.63 : x
  2. Step 2: Convert to fraction form
    545,599.86/752,898.03 = 300,536.63/x
  3. Step 3: Cross multiply
    545,599.86x = 752,898.03 × 300,536.63
  4. Step 4: Simplify right side
    545,599.86x = 226,273,436,669.84
  5. Step 5: Solve for x
    x = 226,273,436,669.84/545,599.86
  6. Step 6: Final answer
    x = 414,724.15

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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.