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Finding the Fourth Proportional to 462,282.96, 637,903.56 and 261,040.08

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Solution

The fourth proportional to 462,282.96, 637,903.56 and 261,040.08 is: 360,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,282.96 : 637,903.56 = 261,040.08 : x
  2. Step 2: Convert to fraction form
    462,282.96/637,903.56 = 261,040.08/x
  3. Step 3: Cross multiply
    462,282.96x = 637,903.56 × 261,040.08
  4. Step 4: Simplify right side
    462,282.96x = 166,518,396,334.69
  5. Step 5: Solve for x
    x = 166,518,396,334.69/462,282.96
  6. Step 6: Final answer
    x = 360,208.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.