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Finding the Fourth Proportional to 307,592.40, 461,453.40 and 97,251.60

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Solution

The fourth proportional to 307,592.40, 461,453.40 and 97,251.60 is: 145,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,592.40 : 461,453.40 = 97,251.60 : x
  2. Step 2: Convert to fraction form
    307,592.40/461,453.40 = 97,251.60/x
  3. Step 3: Cross multiply
    307,592.40x = 461,453.40 × 97,251.60
  4. Step 4: Simplify right side
    307,592.40x = 44,877,081,475.44
  5. Step 5: Solve for x
    x = 44,877,081,475.44/307,592.40
  6. Step 6: Final answer
    x = 145,897.89

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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.