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Finding the Fourth Proportional to 672,304.10, 927,779.84 and 366,380.58

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Solution

The fourth proportional to 672,304.10, 927,779.84 and 366,380.58 is: 505,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,304.10 : 927,779.84 = 366,380.58 : x
  2. Step 2: Convert to fraction form
    672,304.10/927,779.84 = 366,380.58/x
  3. Step 3: Cross multiply
    672,304.10x = 927,779.84 × 366,380.58
  4. Step 4: Simplify right side
    672,304.10x = 339,920,515,891.51
  5. Step 5: Solve for x
    x = 339,920,515,891.51/672,304.10
  6. Step 6: Final answer
    x = 505,605.30

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1.5x scale

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.