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Finding the Fourth Proportional to 672,326.96, 927,784.11 and 366,396.77

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Solution

The fourth proportional to 672,326.96, 927,784.11 and 366,396.77 is: 505,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,326.96 : 927,784.11 = 366,396.77 : x
  2. Step 2: Convert to fraction form
    672,326.96/927,784.11 = 366,396.77/x
  3. Step 3: Cross multiply
    672,326.96x = 927,784.11 × 366,396.77
  4. Step 4: Simplify right side
    672,326.96x = 339,937,104,854.77
  5. Step 5: Solve for x
    x = 339,937,104,854.77/672,326.96
  6. Step 6: Final answer
    x = 505,612.79

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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.