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Finding the Fourth Proportional to 328,329.59, 492,534.71 and 112,224.06

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Solution

The fourth proportional to 328,329.59, 492,534.71 and 112,224.06 is: 168,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,329.59 : 492,534.71 = 112,224.06 : x
  2. Step 2: Convert to fraction form
    328,329.59/492,534.71 = 112,224.06/x
  3. Step 3: Cross multiply
    328,329.59x = 492,534.71 × 112,224.06
  4. Step 4: Simplify right side
    328,329.59x = 55,274,244,286.00
  5. Step 5: Solve for x
    x = 55,274,244,286.00/328,329.59
  6. Step 6: Final answer
    x = 168,349.87

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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.