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Finding the Fourth Proportional to 302,463.80, 453,695.70 and 197,401.40

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Solution

The fourth proportional to 302,463.80, 453,695.70 and 197,401.40 is: 296,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,463.80 : 453,695.70 = 197,401.40 : x
  2. Step 2: Convert to fraction form
    302,463.80/453,695.70 = 197,401.40/x
  3. Step 3: Cross multiply
    302,463.80x = 453,695.70 × 197,401.40
  4. Step 4: Simplify right side
    302,463.80x = 89,560,166,353.98
  5. Step 5: Solve for x
    x = 89,560,166,353.98/302,463.80
  6. Step 6: Final answer
    x = 296,102.10

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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.