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Finding the Fourth Proportional to 532,401.80, 798,311.10 and 216,501.80

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Solution

The fourth proportional to 532,401.80, 798,311.10 and 216,501.80 is: 324,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,401.80 : 798,311.10 = 216,501.80 : x
  2. Step 2: Convert to fraction form
    532,401.80/798,311.10 = 216,501.80/x
  3. Step 3: Cross multiply
    532,401.80x = 798,311.10 × 216,501.80
  4. Step 4: Simplify right side
    532,401.80x = 172,835,790,109.98
  5. Step 5: Solve for x
    x = 172,835,790,109.98/532,401.80
  6. Step 6: Final answer
    x = 324,634.12

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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.