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Finding the Fourth Proportional to 301,359.60, 452,557.80 and 213,231.60

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Solution

The fourth proportional to 301,359.60, 452,557.80 and 213,231.60 is: 320,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,359.60 : 452,557.80 = 213,231.60 : x
  2. Step 2: Convert to fraction form
    301,359.60/452,557.80 = 213,231.60/x
  3. Step 3: Cross multiply
    301,359.60x = 452,557.80 × 213,231.60
  4. Step 4: Simplify right side
    301,359.60x = 96,499,623,786.48
  5. Step 5: Solve for x
    x = 96,499,623,786.48/301,359.60
  6. Step 6: Final answer
    x = 320,214.20

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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.