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Finding the Fourth Proportional to 507,197.58, 699,945.72 and 277,767.51

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Solution

The fourth proportional to 507,197.58, 699,945.72 and 277,767.51 is: 383,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,197.58 : 699,945.72 = 277,767.51 : x
  2. Step 2: Convert to fraction form
    507,197.58/699,945.72 = 277,767.51/x
  3. Step 3: Cross multiply
    507,197.58x = 699,945.72 × 277,767.51
  4. Step 4: Simplify right side
    507,197.58x = 194,422,179,779.56
  5. Step 5: Solve for x
    x = 194,422,179,779.56/507,197.58
  6. Step 6: Final answer
    x = 383,326.32

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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.