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Finding the Fourth Proportional to 307,773.40, 461,703.30 and 97,389.40

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Solution

The fourth proportional to 307,773.40, 461,703.30 and 97,389.40 is: 146,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,773.40 : 461,703.30 = 97,389.40 : x
  2. Step 2: Convert to fraction form
    307,773.40/461,703.30 = 97,389.40/x
  3. Step 3: Cross multiply
    307,773.40x = 461,703.30 × 97,389.40
  4. Step 4: Simplify right side
    307,773.40x = 44,965,007,365.02
  5. Step 5: Solve for x
    x = 44,965,007,365.02/307,773.40
  6. Step 6: Final answer
    x = 146,097.77

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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.