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Finding the Fourth Proportional to 377,505.04, 566,257.42 and 137,636.92

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Solution

The fourth proportional to 377,505.04, 566,257.42 and 137,636.92 is: 206,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,505.04 : 566,257.42 = 137,636.92 : x
  2. Step 2: Convert to fraction form
    377,505.04/566,257.42 = 137,636.92/x
  3. Step 3: Cross multiply
    377,505.04x = 566,257.42 × 137,636.92
  4. Step 4: Simplify right side
    377,505.04x = 77,937,927,215.95
  5. Step 5: Solve for x
    x = 77,937,927,215.95/377,505.04
  6. Step 6: Final answer
    x = 206,455.33

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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.