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Finding the Fourth Proportional to 536,614.10, 803,999.55 and 349,529.30

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Solution

The fourth proportional to 536,614.10, 803,999.55 and 349,529.30 is: 523,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,614.10 : 803,999.55 = 349,529.30 : x
  2. Step 2: Convert to fraction form
    536,614.10/803,999.55 = 349,529.30/x
  3. Step 3: Cross multiply
    536,614.10x = 803,999.55 × 349,529.30
  4. Step 4: Simplify right side
    536,614.10x = 281,021,399,911.82
  5. Step 5: Solve for x
    x = 281,021,399,911.82/536,614.10
  6. Step 6: Final answer
    x = 523,693.66

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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.