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Finding the Fourth Proportional to 329,103.60, 461,989.20 and 329,103.60

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Solution

The fourth proportional to 329,103.60, 461,989.20 and 329,103.60 is: 461,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,103.60 : 461,989.20 = 329,103.60 : x
  2. Step 2: Convert to fraction form
    329,103.60/461,989.20 = 329,103.60/x
  3. Step 3: Cross multiply
    329,103.60x = 461,989.20 × 329,103.60
  4. Step 4: Simplify right side
    329,103.60x = 152,042,308,881.12
  5. Step 5: Solve for x
    x = 152,042,308,881.12/329,103.60
  6. Step 6: Final answer
    x = 461,989.20

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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.