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Finding the Fourth Proportional to 383,579.66, 575,369.48 and 383,026.07

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Solution

The fourth proportional to 383,579.66, 575,369.48 and 383,026.07 is: 574,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,579.66 : 575,369.48 = 383,026.07 : x
  2. Step 2: Convert to fraction form
    383,579.66/575,369.48 = 383,026.07/x
  3. Step 3: Cross multiply
    383,579.66x = 575,369.48 × 383,026.07
  4. Step 4: Simplify right side
    383,579.66x = 220,381,510,722.34
  5. Step 5: Solve for x
    x = 220,381,510,722.34/383,579.66
  6. Step 6: Final answer
    x = 574,539.10

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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.