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Finding the Fourth Proportional to 926,633.72, 1,389,964.26 and 365,663

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Solution

The fourth proportional to 926,633.72, 1,389,964.26 and 365,663 is: 548,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,633.72 : 1,389,964.26 = 365,663 : x
  2. Step 2: Convert to fraction form
    926,633.72/1,389,964.26 = 365,663/x
  3. Step 3: Cross multiply
    926,633.72x = 1,389,964.26 × 365,663
  4. Step 4: Simplify right side
    926,633.72x = 508,258,501,204.38
  5. Step 5: Solve for x
    x = 508,258,501,204.38/926,633.72
  6. Step 6: Final answer
    x = 548,499.90

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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.