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Finding the Fourth Proportional to 329,082.80, 492,749.40 and 329,082.80

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Solution

The fourth proportional to 329,082.80, 492,749.40 and 329,082.80 is: 492,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,082.80 : 492,749.40 = 329,082.80 : x
  2. Step 2: Convert to fraction form
    329,082.80/492,749.40 = 329,082.80/x
  3. Step 3: Cross multiply
    329,082.80x = 492,749.40 × 329,082.80
  4. Step 4: Simplify right side
    329,082.80x = 162,155,352,250.32
  5. Step 5: Solve for x
    x = 162,155,352,250.32/329,082.80
  6. Step 6: Final answer
    x = 492,749.40

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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.