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Finding the Fourth Proportional to 333,376.61, 500,216.72 and 141,303.67

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Solution

The fourth proportional to 333,376.61, 500,216.72 and 141,303.67 is: 212,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,376.61 : 500,216.72 = 141,303.67 : x
  2. Step 2: Convert to fraction form
    333,376.61/500,216.72 = 141,303.67/x
  3. Step 3: Cross multiply
    333,376.61x = 500,216.72 × 141,303.67
  4. Step 4: Simplify right side
    333,376.61x = 70,682,456,374.30
  5. Step 5: Solve for x
    x = 70,682,456,374.30/333,376.61
  6. Step 6: Final answer
    x = 212,019.85

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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.