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Finding the Fourth Proportional to 436,034.46, 653,304.30 and 346,353.79

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Solution

The fourth proportional to 436,034.46, 653,304.30 and 346,353.79 is: 518,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,034.46 : 653,304.30 = 346,353.79 : x
  2. Step 2: Convert to fraction form
    436,034.46/653,304.30 = 346,353.79/x
  3. Step 3: Cross multiply
    436,034.46x = 653,304.30 × 346,353.79
  4. Step 4: Simplify right side
    436,034.46x = 226,274,420,328.30
  5. Step 5: Solve for x
    x = 226,274,420,328.30/436,034.46
  6. Step 6: Final answer
    x = 518,937.01

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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.