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Finding the Fourth Proportional to 329,009.60, 461,663.20 and 329,009.60

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Solution

The fourth proportional to 329,009.60, 461,663.20 and 329,009.60 is: 461,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,009.60 : 461,663.20 = 329,009.60 : x
  2. Step 2: Convert to fraction form
    329,009.60/461,663.20 = 329,009.60/x
  3. Step 3: Cross multiply
    329,009.60x = 461,663.20 × 329,009.60
  4. Step 4: Simplify right side
    329,009.60x = 151,891,624,766.72
  5. Step 5: Solve for x
    x = 151,891,624,766.72/329,009.60
  6. Step 6: Final answer
    x = 461,663.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.