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Finding the Fourth Proportional to 233,315.60, 349,584.60 and 219,318.80

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Solution

The fourth proportional to 233,315.60, 349,584.60 and 219,318.80 is: 328,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,315.60 : 349,584.60 = 219,318.80 : x
  2. Step 2: Convert to fraction form
    233,315.60/349,584.60 = 219,318.80/x
  3. Step 3: Cross multiply
    233,315.60x = 349,584.60 × 219,318.80
  4. Step 4: Simplify right side
    233,315.60x = 76,670,474,970.48
  5. Step 5: Solve for x
    x = 76,670,474,970.48/233,315.60
  6. Step 6: Final answer
    x = 328,612.72

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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.