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Finding the Fourth Proportional to 328,331.59, 492,537.71 and 112,226.06

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Solution

The fourth proportional to 328,331.59, 492,537.71 and 112,226.06 is: 168,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,331.59 : 492,537.71 = 112,226.06 : x
  2. Step 2: Convert to fraction form
    328,331.59/492,537.71 = 112,226.06/x
  3. Step 3: Cross multiply
    328,331.59x = 492,537.71 × 112,226.06
  4. Step 4: Simplify right side
    328,331.59x = 55,275,566,594.72
  5. Step 5: Solve for x
    x = 55,275,566,594.72/328,331.59
  6. Step 6: Final answer
    x = 168,352.87

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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.