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Finding the Fourth Proportional to 333,852.20, 500,428.32 and 123,355.88

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Solution

The fourth proportional to 333,852.20, 500,428.32 and 123,355.88 is: 184,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,852.20 : 500,428.32 = 123,355.88 : x
  2. Step 2: Convert to fraction form
    333,852.20/500,428.32 = 123,355.88/x
  3. Step 3: Cross multiply
    333,852.20x = 500,428.32 × 123,355.88
  4. Step 4: Simplify right side
    333,852.20x = 61,730,775,790.52
  5. Step 5: Solve for x
    x = 61,730,775,790.52/333,852.20
  6. Step 6: Final answer
    x = 184,904.51

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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.