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Finding the Fourth Proportional to 475,371.92, 712,907.37 and 155,449.89

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Solution

The fourth proportional to 475,371.92, 712,907.37 and 155,449.89 is: 233,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,371.92 : 712,907.37 = 155,449.89 : x
  2. Step 2: Convert to fraction form
    475,371.92/712,907.37 = 155,449.89/x
  3. Step 3: Cross multiply
    475,371.92x = 712,907.37 × 155,449.89
  4. Step 4: Simplify right side
    475,371.92x = 110,821,372,246.69
  5. Step 5: Solve for x
    x = 110,821,372,246.69/475,371.92
  6. Step 6: Final answer
    x = 233,125.62

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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.