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Finding the Fourth Proportional to 328,952.65, 493,443.56 and 92,290.09

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Solution

The fourth proportional to 328,952.65, 493,443.56 and 92,290.09 is: 138,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,952.65 : 493,443.56 = 92,290.09 : x
  2. Step 2: Convert to fraction form
    328,952.65/493,443.56 = 92,290.09/x
  3. Step 3: Cross multiply
    328,952.65x = 493,443.56 × 92,290.09
  4. Step 4: Simplify right side
    328,952.65x = 45,539,950,562.32
  5. Step 5: Solve for x
    x = 45,539,950,562.32/328,952.65
  6. Step 6: Final answer
    x = 138,439.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.