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Finding the Fourth Proportional to 307,958.61, 461,947.64 and 97,598.37

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Solution

The fourth proportional to 307,958.61, 461,947.64 and 97,598.37 is: 146,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,958.61 : 461,947.64 = 97,598.37 : x
  2. Step 2: Convert to fraction form
    307,958.61/461,947.64 = 97,598.37/x
  3. Step 3: Cross multiply
    307,958.61x = 461,947.64 × 97,598.37
  4. Step 4: Simplify right side
    307,958.61x = 45,085,336,689.35
  5. Step 5: Solve for x
    x = 45,085,336,689.35/307,958.61
  6. Step 6: Final answer
    x = 146,400.64

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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.