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Finding the Fourth Proportional to 409,929.30, 610,818.66 and 365,212.44

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Solution

The fourth proportional to 409,929.30, 610,818.66 and 365,212.44 is: 544,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,929.30 : 610,818.66 = 365,212.44 : x
  2. Step 2: Convert to fraction form
    409,929.30/610,818.66 = 365,212.44/x
  3. Step 3: Cross multiply
    409,929.30x = 610,818.66 × 365,212.44
  4. Step 4: Simplify right side
    409,929.30x = 223,078,573,216.13
  5. Step 5: Solve for x
    x = 223,078,573,216.13/409,929.30
  6. Step 6: Final answer
    x = 544,187.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.