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Finding the Fourth Proportional to 201,730.80, 302,596.20 and 191,362.80

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Solution

The fourth proportional to 201,730.80, 302,596.20 and 191,362.80 is: 287,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,730.80 : 302,596.20 = 191,362.80 : x
  2. Step 2: Convert to fraction form
    201,730.80/302,596.20 = 191,362.80/x
  3. Step 3: Cross multiply
    201,730.80x = 302,596.20 × 191,362.80
  4. Step 4: Simplify right side
    201,730.80x = 57,905,656,101.36
  5. Step 5: Solve for x
    x = 57,905,656,101.36/201,730.80
  6. Step 6: Final answer
    x = 287,044.20

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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.