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Finding the Fourth Proportional to 333,312, 500,020.14 and 108,620.28

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Solution

The fourth proportional to 333,312, 500,020.14 and 108,620.28 is: 162,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,312 : 500,020.14 = 108,620.28 : x
  2. Step 2: Convert to fraction form
    333,312/500,020.14 = 108,620.28/x
  3. Step 3: Cross multiply
    333,312x = 500,020.14 × 108,620.28
  4. Step 4: Simplify right side
    333,312x = 54,312,327,612.44
  5. Step 5: Solve for x
    x = 54,312,327,612.44/333,312
  6. Step 6: Final answer
    x = 162,947.41

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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.