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Finding the Fourth Proportional to 465,627.44, 642,570.36 and 264,424.88

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Solution

The fourth proportional to 465,627.44, 642,570.36 and 264,424.88 is: 364,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,627.44 : 642,570.36 = 264,424.88 : x
  2. Step 2: Convert to fraction form
    465,627.44/642,570.36 = 264,424.88/x
  3. Step 3: Cross multiply
    465,627.44x = 642,570.36 × 264,424.88
  4. Step 4: Simplify right side
    465,627.44x = 169,911,590,334.56
  5. Step 5: Solve for x
    x = 169,911,590,334.56/465,627.44
  6. Step 6: Final answer
    x = 364,908.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.