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Finding the Fourth Proportional to 302,446.80, 453,670.20 and 197,384.40

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Solution

The fourth proportional to 302,446.80, 453,670.20 and 197,384.40 is: 296,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,446.80 : 453,670.20 = 197,384.40 : x
  2. Step 2: Convert to fraction form
    302,446.80/453,670.20 = 197,384.40/x
  3. Step 3: Cross multiply
    302,446.80x = 453,670.20 × 197,384.40
  4. Step 4: Simplify right side
    302,446.80x = 89,547,420,224.88
  5. Step 5: Solve for x
    x = 89,547,420,224.88/302,446.80
  6. Step 6: Final answer
    x = 296,076.60

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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.