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Finding the Fourth Proportional to 543,614.39, 750,563.15 and 339,756.94

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Solution

The fourth proportional to 543,614.39, 750,563.15 and 339,756.94 is: 469,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,614.39 : 750,563.15 = 339,756.94 : x
  2. Step 2: Convert to fraction form
    543,614.39/750,563.15 = 339,756.94/x
  3. Step 3: Cross multiply
    543,614.39x = 750,563.15 × 339,756.94
  4. Step 4: Simplify right side
    543,614.39x = 255,009,039,120.76
  5. Step 5: Solve for x
    x = 255,009,039,120.76/543,614.39
  6. Step 6: Final answer
    x = 469,099.14

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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.