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Finding the Fourth Proportional to 672,313.58, 927,765.72 and 366,383.40

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Solution

The fourth proportional to 672,313.58, 927,765.72 and 366,383.40 is: 505,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,313.58 : 927,765.72 = 366,383.40 : x
  2. Step 2: Convert to fraction form
    672,313.58/927,765.72 = 366,383.40/x
  3. Step 3: Cross multiply
    672,313.58x = 927,765.72 × 366,383.40
  4. Step 4: Simplify right side
    672,313.58x = 339,917,958,897.05
  5. Step 5: Solve for x
    x = 339,917,958,897.05/672,313.58
  6. Step 6: Final answer
    x = 505,594.37

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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.