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Finding the Fourth Proportional to 301,659.30, 452,456.55 and 80,043.30

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Solution

The fourth proportional to 301,659.30, 452,456.55 and 80,043.30 is: 120,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,659.30 : 452,456.55 = 80,043.30 : x
  2. Step 2: Convert to fraction form
    301,659.30/452,456.55 = 80,043.30/x
  3. Step 3: Cross multiply
    301,659.30x = 452,456.55 × 80,043.30
  4. Step 4: Simplify right side
    301,659.30x = 36,216,115,368.62
  5. Step 5: Solve for x
    x = 36,216,115,368.62/301,659.30
  6. Step 6: Final answer
    x = 120,056.35

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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.