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Finding the Fourth Proportional to 433,297.60, 597,939.50 and 239,700.31

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Solution

The fourth proportional to 433,297.60, 597,939.50 and 239,700.31 is: 330,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,297.60 : 597,939.50 = 239,700.31 : x
  2. Step 2: Convert to fraction form
    433,297.60/597,939.50 = 239,700.31/x
  3. Step 3: Cross multiply
    433,297.60x = 597,939.50 × 239,700.31
  4. Step 4: Simplify right side
    433,297.60x = 143,326,282,615.65
  5. Step 5: Solve for x
    x = 143,326,282,615.65/433,297.60
  6. Step 6: Final answer
    x = 330,780.24

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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.