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Finding the Fourth Proportional to 307,548.60, 461,279.70 and 97,207.80

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Solution

The fourth proportional to 307,548.60, 461,279.70 and 97,207.80 is: 145,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,548.60 : 461,279.70 = 97,207.80 : x
  2. Step 2: Convert to fraction form
    307,548.60/461,279.70 = 97,207.80/x
  3. Step 3: Cross multiply
    307,548.60x = 461,279.70 × 97,207.80
  4. Step 4: Simplify right side
    307,548.60x = 44,839,984,821.66
  5. Step 5: Solve for x
    x = 44,839,984,821.66/307,548.60
  6. Step 6: Final answer
    x = 145,798.05

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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.