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Finding the Fourth Proportional to 434,570.28, 651,855.96 and 119,029.92

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Solution

The fourth proportional to 434,570.28, 651,855.96 and 119,029.92 is: 178,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,570.28 : 651,855.96 = 119,029.92 : x
  2. Step 2: Convert to fraction form
    434,570.28/651,855.96 = 119,029.92/x
  3. Step 3: Cross multiply
    434,570.28x = 651,855.96 × 119,029.92
  4. Step 4: Simplify right side
    434,570.28x = 77,590,362,770.32
  5. Step 5: Solve for x
    x = 77,590,362,770.32/434,570.28
  6. Step 6: Final answer
    x = 178,545.03

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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.