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Finding the Fourth Proportional to 532,401.20, 798,207.90 and 251,590.40

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Solution

The fourth proportional to 532,401.20, 798,207.90 and 251,590.40 is: 377,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,401.20 : 798,207.90 = 251,590.40 : x
  2. Step 2: Convert to fraction form
    532,401.20/798,207.90 = 251,590.40/x
  3. Step 3: Cross multiply
    532,401.20x = 798,207.90 × 251,590.40
  4. Step 4: Simplify right side
    532,401.20x = 200,821,444,844.16
  5. Step 5: Solve for x
    x = 200,821,444,844.16/532,401.20
  6. Step 6: Final answer
    x = 377,199.46

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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.