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Finding the Fourth Proportional to 532,851.90, 798,889.05 and 217,146.30

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Solution

The fourth proportional to 532,851.90, 798,889.05 and 217,146.30 is: 325,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,851.90 : 798,889.05 = 217,146.30 : x
  2. Step 2: Convert to fraction form
    532,851.90/798,889.05 = 217,146.30/x
  3. Step 3: Cross multiply
    532,851.90x = 798,889.05 × 217,146.30
  4. Step 4: Simplify right side
    532,851.90x = 173,475,801,318.02
  5. Step 5: Solve for x
    x = 173,475,801,318.02/532,851.90
  6. Step 6: Final answer
    x = 325,561.01

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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.