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Finding the Fourth Proportional to 472,757.63, 652,379.04 and 268,779.78

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Solution

The fourth proportional to 472,757.63, 652,379.04 and 268,779.78 is: 370,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,757.63 : 652,379.04 = 268,779.78 : x
  2. Step 2: Convert to fraction form
    472,757.63/652,379.04 = 268,779.78/x
  3. Step 3: Cross multiply
    472,757.63x = 652,379.04 × 268,779.78
  4. Step 4: Simplify right side
    472,757.63x = 175,346,294,847.81
  5. Step 5: Solve for x
    x = 175,346,294,847.81/472,757.63
  6. Step 6: Final answer
    x = 370,901.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.