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Finding the Fourth Proportional to 434,567.56, 651,825.96 and 119,001.28

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Solution

The fourth proportional to 434,567.56, 651,825.96 and 119,001.28 is: 178,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,567.56 : 651,825.96 = 119,001.28 : x
  2. Step 2: Convert to fraction form
    434,567.56/651,825.96 = 119,001.28/x
  3. Step 3: Cross multiply
    434,567.56x = 651,825.96 × 119,001.28
  4. Step 4: Simplify right side
    434,567.56x = 77,568,123,577.23
  5. Step 5: Solve for x
    x = 77,568,123,577.23/434,567.56
  6. Step 6: Final answer
    x = 178,494.97

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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.