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Finding the Fourth Proportional to 447,528, 671,293.80 and 181,293.54

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Solution

The fourth proportional to 447,528, 671,293.80 and 181,293.54 is: 271,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,528 : 671,293.80 = 181,293.54 : x
  2. Step 2: Convert to fraction form
    447,528/671,293.80 = 181,293.54/x
  3. Step 3: Cross multiply
    447,528x = 671,293.80 × 181,293.54
  4. Step 4: Simplify right side
    447,528x = 121,701,229,382.05
  5. Step 5: Solve for x
    x = 121,701,229,382.05/447,528
  6. Step 6: Final answer
    x = 271,941.04

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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.