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Finding the Fourth Proportional to 333,783.99, 500,558.13 and 144,236.70

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Solution

The fourth proportional to 333,783.99, 500,558.13 and 144,236.70 is: 216,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,783.99 : 500,558.13 = 144,236.70 : x
  2. Step 2: Convert to fraction form
    333,783.99/500,558.13 = 144,236.70/x
  3. Step 3: Cross multiply
    333,783.99x = 500,558.13 × 144,236.70
  4. Step 4: Simplify right side
    333,783.99x = 72,198,852,829.37
  5. Step 5: Solve for x
    x = 72,198,852,829.37/333,783.99
  6. Step 6: Final answer
    x = 216,304.12

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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.