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Finding the Fourth Proportional to 607,850.31, 910,960.45 and 473,077.12

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Solution

The fourth proportional to 607,850.31, 910,960.45 and 473,077.12 is: 708,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,850.31 : 910,960.45 = 473,077.12 : x
  2. Step 2: Convert to fraction form
    607,850.31/910,960.45 = 473,077.12/x
  3. Step 3: Cross multiply
    607,850.31x = 910,960.45 × 473,077.12
  4. Step 4: Simplify right side
    607,850.31x = 430,954,546,119.90
  5. Step 5: Solve for x
    x = 430,954,546,119.90/607,850.31
  6. Step 6: Final answer
    x = 708,981.37

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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.