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Finding the Fourth Proportional to 302,692.60, 454,038.90 and 196,404.40

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Solution

The fourth proportional to 302,692.60, 454,038.90 and 196,404.40 is: 294,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,692.60 : 454,038.90 = 196,404.40 : x
  2. Step 2: Convert to fraction form
    302,692.60/454,038.90 = 196,404.40/x
  3. Step 3: Cross multiply
    302,692.60x = 454,038.90 × 196,404.40
  4. Step 4: Simplify right side
    302,692.60x = 89,175,237,731.16
  5. Step 5: Solve for x
    x = 89,175,237,731.16/302,692.60
  6. Step 6: Final answer
    x = 294,606.60

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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.