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Finding the Fourth Proportional to 333,644.55, 500,363.32 and 120,384.71

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Solution

The fourth proportional to 333,644.55, 500,363.32 and 120,384.71 is: 180,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,644.55 : 500,363.32 = 120,384.71 : x
  2. Step 2: Convert to fraction form
    333,644.55/500,363.32 = 120,384.71/x
  3. Step 3: Cross multiply
    333,644.55x = 500,363.32 × 120,384.71
  4. Step 4: Simplify right side
    333,644.55x = 60,236,093,172.84
  5. Step 5: Solve for x
    x = 60,236,093,172.84/333,644.55
  6. Step 6: Final answer
    x = 180,539.72

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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.