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Finding the Fourth Proportional to 322,821.60, 452,416.80 and 322,821.60

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Solution

The fourth proportional to 322,821.60, 452,416.80 and 322,821.60 is: 452,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,821.60 : 452,416.80 = 322,821.60 : x
  2. Step 2: Convert to fraction form
    322,821.60/452,416.80 = 322,821.60/x
  3. Step 3: Cross multiply
    322,821.60x = 452,416.80 × 322,821.60
  4. Step 4: Simplify right side
    322,821.60x = 146,049,915,242.88
  5. Step 5: Solve for x
    x = 146,049,915,242.88/322,821.60
  6. Step 6: Final answer
    x = 452,416.80

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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.