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Finding the Fourth Proportional to 434,592.28, 651,888.96 and 119,051.92

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Solution

The fourth proportional to 434,592.28, 651,888.96 and 119,051.92 is: 178,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,592.28 : 651,888.96 = 119,051.92 : x
  2. Step 2: Convert to fraction form
    434,592.28/651,888.96 = 119,051.92/x
  3. Step 3: Cross multiply
    434,592.28x = 651,888.96 × 119,051.92
  4. Step 4: Simplify right side
    434,592.28x = 77,608,632,314.80
  5. Step 5: Solve for x
    x = 77,608,632,314.80/434,592.28
  6. Step 6: Final answer
    x = 178,578.03

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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.