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Finding the Fourth Proportional to 587,431.70, 881,439.15 and 232,457.30

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Solution

The fourth proportional to 587,431.70, 881,439.15 and 232,457.30 is: 348,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,431.70 : 881,439.15 = 232,457.30 : x
  2. Step 2: Convert to fraction form
    587,431.70/881,439.15 = 232,457.30/x
  3. Step 3: Cross multiply
    587,431.70x = 881,439.15 × 232,457.30
  4. Step 4: Simplify right side
    587,431.70x = 204,896,964,923.30
  5. Step 5: Solve for x
    x = 204,896,964,923.30/587,431.70
  6. Step 6: Final answer
    x = 348,801.34

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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.