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Finding the Fourth Proportional to 307,241.28, 460,886.53 and 235,297.89

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Solution

The fourth proportional to 307,241.28, 460,886.53 and 235,297.89 is: 352,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,241.28 : 460,886.53 = 235,297.89 : x
  2. Step 2: Convert to fraction form
    307,241.28/460,886.53 = 235,297.89/x
  3. Step 3: Cross multiply
    307,241.28x = 460,886.53 × 235,297.89
  4. Step 4: Simplify right side
    307,241.28x = 108,445,628,038.42
  5. Step 5: Solve for x
    x = 108,445,628,038.42/307,241.28
  6. Step 6: Final answer
    x = 352,965.68

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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.