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Finding the Fourth Proportional to 333,721.74, 500,515.17 and 120,483.18

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Solution

The fourth proportional to 333,721.74, 500,515.17 and 120,483.18 is: 180,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,721.74 : 500,515.17 = 120,483.18 : x
  2. Step 2: Convert to fraction form
    333,721.74/500,515.17 = 120,483.18/x
  3. Step 3: Cross multiply
    333,721.74x = 500,515.17 × 120,483.18
  4. Step 4: Simplify right side
    333,721.74x = 60,303,659,319.84
  5. Step 5: Solve for x
    x = 60,303,659,319.84/333,721.74
  6. Step 6: Final answer
    x = 180,700.42

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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.