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Finding the Fourth Proportional to 468,149.46, 646,045.92 and 264,243.30

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Solution

The fourth proportional to 468,149.46, 646,045.92 and 264,243.30 is: 364,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,149.46 : 646,045.92 = 264,243.30 : x
  2. Step 2: Convert to fraction form
    468,149.46/646,045.92 = 264,243.30/x
  3. Step 3: Cross multiply
    468,149.46x = 646,045.92 × 264,243.30
  4. Step 4: Simplify right side
    468,149.46x = 170,713,305,852.34
  5. Step 5: Solve for x
    x = 170,713,305,852.34/468,149.46
  6. Step 6: Final answer
    x = 364,655.57

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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.