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Finding the Fourth Proportional to 484,873.25, 668,472.96 and 339,483.54

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Solution

The fourth proportional to 484,873.25, 668,472.96 and 339,483.54 is: 468,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,873.25 : 668,472.96 = 339,483.54 : x
  2. Step 2: Convert to fraction form
    484,873.25/668,472.96 = 339,483.54/x
  3. Step 3: Cross multiply
    484,873.25x = 668,472.96 × 339,483.54
  4. Step 4: Simplify right side
    484,873.25x = 226,935,566,855.08
  5. Step 5: Solve for x
    x = 226,935,566,855.08/484,873.25
  6. Step 6: Final answer
    x = 468,030.70

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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.