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Finding the Fourth Proportional to 329,290.80, 492,769.80 and 224,314.80

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Solution

The fourth proportional to 329,290.80, 492,769.80 and 224,314.80 is: 335,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,290.80 : 492,769.80 = 224,314.80 : x
  2. Step 2: Convert to fraction form
    329,290.80/492,769.80 = 224,314.80/x
  3. Step 3: Cross multiply
    329,290.80x = 492,769.80 × 224,314.80
  4. Step 4: Simplify right side
    329,290.80x = 110,535,559,133.04
  5. Step 5: Solve for x
    x = 110,535,559,133.04/329,290.80
  6. Step 6: Final answer
    x = 335,677.64

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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.