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Finding the Fourth Proportional to 536,615.10, 804,001.05 and 349,530.30

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Solution

The fourth proportional to 536,615.10, 804,001.05 and 349,530.30 is: 523,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,615.10 : 804,001.05 = 349,530.30 : x
  2. Step 2: Convert to fraction form
    536,615.10/804,001.05 = 349,530.30/x
  3. Step 3: Cross multiply
    536,615.10x = 804,001.05 × 349,530.30
  4. Step 4: Simplify right side
    536,615.10x = 281,022,728,206.82
  5. Step 5: Solve for x
    x = 281,022,728,206.82/536,615.10
  6. Step 6: Final answer
    x = 523,695.16

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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.