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Finding the Fourth Proportional to 302,557.80, 453,933.90 and 202,830.60

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Solution

The fourth proportional to 302,557.80, 453,933.90 and 202,830.60 is: 304,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,557.80 : 453,933.90 = 202,830.60 : x
  2. Step 2: Convert to fraction form
    302,557.80/453,933.90 = 202,830.60/x
  3. Step 3: Cross multiply
    302,557.80x = 453,933.90 × 202,830.60
  4. Step 4: Simplify right side
    302,557.80x = 92,071,685,297.34
  5. Step 5: Solve for x
    x = 92,071,685,297.34/302,557.80
  6. Step 6: Final answer
    x = 304,311.06

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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.