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Finding the Fourth Proportional to 531,717.90, 797,727.54 and 216,401.10

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Solution

The fourth proportional to 531,717.90, 797,727.54 and 216,401.10 is: 324,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,717.90 : 797,727.54 = 216,401.10 : x
  2. Step 2: Convert to fraction form
    531,717.90/797,727.54 = 216,401.10/x
  3. Step 3: Cross multiply
    531,717.90x = 797,727.54 × 216,401.10
  4. Step 4: Simplify right side
    531,717.90x = 172,629,117,156.29
  5. Step 5: Solve for x
    x = 172,629,117,156.29/531,717.90
  6. Step 6: Final answer
    x = 324,662.98

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1.5x scale

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.