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Finding the Fourth Proportional to 307,359.55, 461,121.40 and 97,001.47

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Solution

The fourth proportional to 307,359.55, 461,121.40 and 97,001.47 is: 145,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,359.55 : 461,121.40 = 97,001.47 : x
  2. Step 2: Convert to fraction form
    307,359.55/461,121.40 = 97,001.47/x
  3. Step 3: Cross multiply
    307,359.55x = 461,121.40 × 97,001.47
  4. Step 4: Simplify right side
    307,359.55x = 44,729,451,342.85
  5. Step 5: Solve for x
    x = 44,729,451,342.85/307,359.55
  6. Step 6: Final answer
    x = 145,528.10

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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.