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Finding the Fourth Proportional to 592,997.45, 818,002.40 and 375,138.54

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Solution

The fourth proportional to 592,997.45, 818,002.40 and 375,138.54 is: 517,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,997.45 : 818,002.40 = 375,138.54 : x
  2. Step 2: Convert to fraction form
    592,997.45/818,002.40 = 375,138.54/x
  3. Step 3: Cross multiply
    592,997.45x = 818,002.40 × 375,138.54
  4. Step 4: Simplify right side
    592,997.45x = 306,864,224,176.80
  5. Step 5: Solve for x
    x = 306,864,224,176.80/592,997.45
  6. Step 6: Final answer
    x = 517,479.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.