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Finding the Fourth Proportional to 301,991.70, 452,987.55 and 202,458.90

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Solution

The fourth proportional to 301,991.70, 452,987.55 and 202,458.90 is: 303,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,991.70 : 452,987.55 = 202,458.90 : x
  2. Step 2: Convert to fraction form
    301,991.70/452,987.55 = 202,458.90/x
  3. Step 3: Cross multiply
    301,991.70x = 452,987.55 × 202,458.90
  4. Step 4: Simplify right side
    301,991.70x = 91,711,361,086.70
  5. Step 5: Solve for x
    x = 91,711,361,086.70/301,991.70
  6. Step 6: Final answer
    x = 303,688.35

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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.