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Finding the Fourth Proportional to 524,143.23, 722,316.96 and 451,523.30

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Solution

The fourth proportional to 524,143.23, 722,316.96 and 451,523.30 is: 622,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,143.23 : 722,316.96 = 451,523.30 : x
  2. Step 2: Convert to fraction form
    524,143.23/722,316.96 = 451,523.30/x
  3. Step 3: Cross multiply
    524,143.23x = 722,316.96 × 451,523.30
  4. Step 4: Simplify right side
    524,143.23x = 326,142,933,813.58
  5. Step 5: Solve for x
    x = 326,142,933,813.58/524,143.23
  6. Step 6: Final answer
    x = 622,240.10

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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.