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Finding the Fourth Proportional to 307,575.05, 461,429.45 and 94,343.81

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Solution

The fourth proportional to 307,575.05, 461,429.45 and 94,343.81 is: 141,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,575.05 : 461,429.45 = 94,343.81 : x
  2. Step 2: Convert to fraction form
    307,575.05/461,429.45 = 94,343.81/x
  3. Step 3: Cross multiply
    307,575.05x = 461,429.45 × 94,343.81
  4. Step 4: Simplify right side
    307,575.05x = 43,533,012,359.20
  5. Step 5: Solve for x
    x = 43,533,012,359.20/307,575.05
  6. Step 6: Final answer
    x = 141,536.23

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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.