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Finding the Fourth Proportional to 333,914.36, 500,929.86 and 146,921

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Solution

The fourth proportional to 333,914.36, 500,929.86 and 146,921 is: 220,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,914.36 : 500,929.86 = 146,921 : x
  2. Step 2: Convert to fraction form
    333,914.36/500,929.86 = 146,921/x
  3. Step 3: Cross multiply
    333,914.36x = 500,929.86 × 146,921
  4. Step 4: Simplify right side
    333,914.36x = 73,597,115,961.06
  5. Step 5: Solve for x
    x = 73,597,115,961.06/333,914.36
  6. Step 6: Final answer
    x = 220,407.16

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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.