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Finding the Fourth Proportional to 307,617.70, 461,340.15 and 97,320.10

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Solution

The fourth proportional to 307,617.70, 461,340.15 and 97,320.10 is: 145,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,617.70 : 461,340.15 = 97,320.10 : x
  2. Step 2: Convert to fraction form
    307,617.70/461,340.15 = 97,320.10/x
  3. Step 3: Cross multiply
    307,617.70x = 461,340.15 × 97,320.10
  4. Step 4: Simplify right side
    307,617.70x = 44,897,669,532.02
  5. Step 5: Solve for x
    x = 44,897,669,532.02/307,617.70
  6. Step 6: Final answer
    x = 145,952.82

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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.