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Finding the Fourth Proportional to 465,669.44, 642,628.32 and 264,466.88

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Solution

The fourth proportional to 465,669.44, 642,628.32 and 264,466.88 is: 364,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,669.44 : 642,628.32 = 264,466.88 : x
  2. Step 2: Convert to fraction form
    465,669.44/642,628.32 = 264,466.88/x
  3. Step 3: Cross multiply
    465,669.44x = 642,628.32 × 264,466.88
  4. Step 4: Simplify right side
    465,669.44x = 169,953,906,790.04
  5. Step 5: Solve for x
    x = 169,953,906,790.04/465,669.44
  6. Step 6: Final answer
    x = 364,966.85

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1.5x scale

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.