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Finding the Fourth Proportional to 672,305.61, 927,781.91 and 366,382.08

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Solution

The fourth proportional to 672,305.61, 927,781.91 and 366,382.08 is: 505,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,305.61 : 927,781.91 = 366,382.08 : x
  2. Step 2: Convert to fraction form
    672,305.61/927,781.91 = 366,382.08/x
  3. Step 3: Cross multiply
    672,305.61x = 927,781.91 × 366,382.08
  4. Step 4: Simplify right side
    672,305.61x = 339,922,664,140.26
  5. Step 5: Solve for x
    x = 339,922,664,140.26/672,305.61
  6. Step 6: Final answer
    x = 505,607.36

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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.