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Finding the Fourth Proportional to 466,862.80, 699,487.80 and 217,032.40

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Solution

The fourth proportional to 466,862.80, 699,487.80 and 217,032.40 is: 325,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,862.80 : 699,487.80 = 217,032.40 : x
  2. Step 2: Convert to fraction form
    466,862.80/699,487.80 = 217,032.40/x
  3. Step 3: Cross multiply
    466,862.80x = 699,487.80 × 217,032.40
  4. Step 4: Simplify right side
    466,862.80x = 151,811,516,004.72
  5. Step 5: Solve for x
    x = 151,811,516,004.72/466,862.80
  6. Step 6: Final answer
    x = 325,173.73

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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.