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Finding the Fourth Proportional to 328,048.60, 491,295.30 and 328,048.60

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Solution

The fourth proportional to 328,048.60, 491,295.30 and 328,048.60 is: 491,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,048.60 : 491,295.30 = 328,048.60 : x
  2. Step 2: Convert to fraction form
    328,048.60/491,295.30 = 328,048.60/x
  3. Step 3: Cross multiply
    328,048.60x = 491,295.30 × 328,048.60
  4. Step 4: Simplify right side
    328,048.60x = 161,168,735,351.58
  5. Step 5: Solve for x
    x = 161,168,735,351.58/328,048.60
  6. Step 6: Final answer
    x = 491,295.30

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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.