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Finding the Fourth Proportional to 554,916.80, 832,509.60 and 160,932.80

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Solution

The fourth proportional to 554,916.80, 832,509.60 and 160,932.80 is: 241,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,916.80 : 832,509.60 = 160,932.80 : x
  2. Step 2: Convert to fraction form
    554,916.80/832,509.60 = 160,932.80/x
  3. Step 3: Cross multiply
    554,916.80x = 832,509.60 × 160,932.80
  4. Step 4: Simplify right side
    554,916.80x = 133,978,100,954.88
  5. Step 5: Solve for x
    x = 133,978,100,954.88/554,916.80
  6. Step 6: Final answer
    x = 241,438.18

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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.