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Finding the Fourth Proportional to 460,851.39, 690,364.69 and 217,359.01

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Solution

The fourth proportional to 460,851.39, 690,364.69 and 217,359.01 is: 325,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,851.39 : 690,364.69 = 217,359.01 : x
  2. Step 2: Convert to fraction form
    460,851.39/690,364.69 = 217,359.01/x
  3. Step 3: Cross multiply
    460,851.39x = 690,364.69 × 217,359.01
  4. Step 4: Simplify right side
    460,851.39x = 150,056,985,876.92
  5. Step 5: Solve for x
    x = 150,056,985,876.92/460,851.39
  6. Step 6: Final answer
    x = 325,608.19

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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.