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Finding the Fourth Proportional to 329,715.60, 462,651.60 and 329,715.60

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Solution

The fourth proportional to 329,715.60, 462,651.60 and 329,715.60 is: 462,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,715.60 : 462,651.60 = 329,715.60 : x
  2. Step 2: Convert to fraction form
    329,715.60/462,651.60 = 329,715.60/x
  3. Step 3: Cross multiply
    329,715.60x = 462,651.60 × 329,715.60
  4. Step 4: Simplify right side
    329,715.60x = 152,543,449,884.96
  5. Step 5: Solve for x
    x = 152,543,449,884.96/329,715.60
  6. Step 6: Final answer
    x = 462,651.60

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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.